<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0123-3475</journal-id>
<journal-title><![CDATA[Revista Colombiana de Biotecnología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. colomb. biotecnol]]></abbrev-journal-title>
<issn>0123-3475</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biotecnología, Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0123-34752010000200011</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Influencia de la concentración de inóculo en la producción de celulasa y xilanasa por Aspergillus niger]]></article-title>
<article-title xml:lang="en"><![CDATA[Influence of inoculum concentration on the cellulase and xylanase production by Aspergillus niger]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Izarra]]></surname>
<given-names><![CDATA[Myriam L]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santayana]]></surname>
<given-names><![CDATA[Mónica L.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villena]]></surname>
<given-names><![CDATA[Gretty K.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Correa]]></surname>
<given-names><![CDATA[Marcel]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional Agraria La Molina Laboratorio de Micología y Biotecnología ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2010</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2010</year>
</pub-date>
<volume>12</volume>
<numero>2</numero>
<fpage>139</fpage>
<lpage>150</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0123-34752010000200011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0123-34752010000200011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0123-34752010000200011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Existe un gran interés por el uso de enzimas lignocelulolíticas en varias industrias, y en la biodegradación de biomasa para la producción de biocombustibles y otras aplicaciones. Entre las fuentes microbianas de enzimas, Aspergillus niger es uno de los microorganismos más utilizados en la producción de enzimas industriales, debido a sus niveles altos de secreción de proteína y a su condición GRAS (generally regarded as safe). El objetivo del presente estudio fue evaluar la influencia de la concentración de inóculo en la morfología y producción de celulasas y xilanasas con A. niger en cultivo sumergido. Para ello, fueron inoculados matraces de 250 mL con 40 mL de medio con 3% (v/v) de una suspensión de 104 o 108 esporas por mililitro e incubados a 28 ºC y 175 rpm durante 120 horas. Se utilizaron 10 g*L-1 de lactosa como fuente de carbono. En cada caso se determinó la cantidad de biomasa, la proteína extracelular soluble, lactosa residual, actividad celulasa total y xilanasa cada 24 horas. Aunque no hubo un efecto notorio en la morfología de crecimiento, salvo en el color y el diámetro de pellets obtenidos, sí se afectó la µmax (0,06 y 0,03 h-1 para 104 y 108 esporas*mL-1, respectivamente) y la concentración máxima de biomasa. Además, mientras que las productividades volumétricas de celulasa (GFPA) (8,2 y 8,0 UI.*L-1*h-1 para 104 y 108 esporas*mL-1, respectivamente) fueron similares para ambos inóculos, la productividad de xilanasa (GXIL) fue mayor para el inóculo más concentrado (29,7 y 33,4 UI¨*L-1*h-1 para 104 y 108 esporas*mL-1, respectivamente). Los resultados indican que la productividad de celulasas y xilanasas está estrechamente relacionada con la concentración de inóculo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[There is a great interest for the use of lignocellulolytic enzymes in several industries and in biomass degradation for production of biofuels and other applications. Among the microbial sources of enzymes, Aspergillus niger is one of the most used microorganisms in the production of industrial enzymes due to its high levels of protein secretion and its GRAS (generally regarded as safe) condition. The aim of the present study was to evaluate the influence of A. niger inoculum concentration in the morphology and production of cellulases and xylanases in submerged cultures. For this, 250 mL flasks containing 40 mL culture medium were inoculated with a 3% (v/v) of either 104 or 108 spores per milliliter suspension and incubated at 28 º C and 175 rpm during 120 hours. Lactose (10 g*L-1) was used as the carbon source. In each case, the amount of biomass, the extracellular soluble protein, residual lactose, total celullase activity and xylanase activity were determined every 24 hours. Even thought there was not a notorious effect on the growth morphology, except in color and diameter of pellets; µmax was affected (0.06 and 0.03 h-1 for 104 and 108 spores*mL-1, respectively) as well as maximum biomass concentration. In addition, while the volumetric productivity of cellulase (8.2 and 8.0 UI*L-1*h-1 for 104 and 108 spores*mL-1, respectively) were similar for both inocula, the productivity of xylanase was greater for the more concentrated inoculum (29.7 and 33.4 UI*L-1*h-1 for 104 and 108 spores*mL-1, respectively).The results show that cellulase and xylanase productivities are closely related to the inoculum concentration.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[celulasa]]></kwd>
<kwd lng="es"><![CDATA[xilanasa]]></kwd>
<kwd lng="es"><![CDATA[cultivo sumergido]]></kwd>
<kwd lng="es"><![CDATA[morfología]]></kwd>
<kwd lng="es"><![CDATA[Aspergillus niger]]></kwd>
<kwd lng="en"><![CDATA[Cellulase]]></kwd>
<kwd lng="en"><![CDATA[xylanase]]></kwd>
<kwd lng="en"><![CDATA[submerged culture]]></kwd>
<kwd lng="en"><![CDATA[morphology]]></kwd>
<kwd lng="en"><![CDATA[Aspergillus niger]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  ]]></body><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Barrios-Gonzáles]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilera]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Raimbault]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Germination of concentrated suspensions of spores from Aspergillus niger]]></article-title>
<source><![CDATA[Biotechnology Letters]]></source>
<year>1989</year>
<volume>11</volume>
<page-range>551-554</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bhat]]></surname>
<given-names><![CDATA[M. K]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Cellulases and related enzymes in biotechnology review]]></article-title>
<source><![CDATA[Biotechnology Advances]]></source>
<year>2000</year>
<volume>18</volume>
<page-range>355-383</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chipeta]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[du Preez]]></surname>
<given-names><![CDATA[J .C.]]></given-names>
</name>
<name>
<surname><![CDATA[Szakacs]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Lew]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Xylanase production by fungal strains on spent sulphite liquor]]></article-title>
<source><![CDATA[Applied Microbiology and Biotechnology]]></source>
<year>2005</year>
<volume>69</volume>
<page-range>71-78</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Vries]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Visser]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Aspergillus Enzymes Involved in Degradation of Plant Cell Wall Polysaccharides]]></article-title>
<source><![CDATA[Microbiology and Molecular Biology Reviews]]></source>
<year>2001</year>
<volume>65</volume>
<page-range>497-522</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Domingues]]></surname>
<given-names><![CDATA[F. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Queiroz]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cabral]]></surname>
<given-names><![CDATA[J. M. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Fonseca]]></surname>
<given-names><![CDATA[L. P]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[The influence of culture conditions on mycelial structure and cellulose production by Thichoderma reesei Rut C-30]]></article-title>
<source><![CDATA[Enzyme and Microbial Technology]]></source>
<year>2000</year>
<volume>26</volume>
<page-range>394-401</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Domingues]]></surname>
<given-names><![CDATA[F. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Queiroz]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cabral]]></surname>
<given-names><![CDATA[J. M. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Fonseca]]></surname>
<given-names><![CDATA[L. P]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Production of cellulases in batch culture using a mutant strain of Trichoderma reesei growing in soluble carbon source]]></article-title>
<source><![CDATA[Biotechnology Letters]]></source>
<year>2001</year>
<volume>23</volume>
<page-range>771-775</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dueñas]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Tengerdy]]></surname>
<given-names><![CDATA[R. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez-Correa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Cellulase production by mixed fungi in solid-substrate fermentation of bagasse]]></article-title>
<source><![CDATA[World Journal of Microbiology and Biotechnology]]></source>
<year>1995</year>
<volume>11</volume>
<page-range>333-337</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[El-Enshasy]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kleine]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Rinas]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Agitation effects on morphology and protein productive fractions of filamentous and pelleted growth forms of recombinant Aspergillus niger]]></article-title>
<source><![CDATA[Process Biochemistry]]></source>
<year>2006</year>
<volume>41</volume>
<page-range>2103-2112</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ghose]]></surname>
<given-names><![CDATA[T. K]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Measurement of cellulolytic activities]]></article-title>
<source><![CDATA[Pure and Applied Chemistry]]></source>
<year>1987</year>
<volume>59</volume>
<page-range>257-268</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gokhale]]></surname>
<given-names><![CDATA[D. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Puntambekar]]></surname>
<given-names><![CDATA[D. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Deobagkar]]></surname>
<given-names><![CDATA[D. N]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Xylanase and ß-xylosidase production by Aspergillus niger NCIM 1207]]></article-title>
<source><![CDATA[Biotechnology Letters]]></source>
<year>1986</year>
<volume>8</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>137-138</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grimm]]></surname>
<given-names><![CDATA[L. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Kelly]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Krull]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Hempel]]></surname>
<given-names><![CDATA[D. C]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Morphology and productivity of filamentous fungi]]></article-title>
<source><![CDATA[Applied Microbiology and Biotechnology]]></source>
<year>2005</year>
<volume>69</volume>
<page-range>375-384</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lowry]]></surname>
<given-names><![CDATA[O. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Rosebrough]]></surname>
<given-names><![CDATA[N. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Farr]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Randall]]></surname>
<given-names><![CDATA[R. J]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Protein measurement with the Folin phenol reagent]]></article-title>
<source><![CDATA[Journal of Biological Chemistry]]></source>
<year>1951</year>
<volume>193</volume>
<page-range>265-275</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[MacCabe]]></surname>
<given-names><![CDATA[A. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Orejas]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Tamayo]]></surname>
<given-names><![CDATA[E. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Villanueva]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramón]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Improving extracellular production of food-use enzymes from Aspergillus nidulans Review]]></article-title>
<source><![CDATA[Journal of Biotechnology]]></source>
<year>2002</year>
<volume>96</volume>
<page-range>43-54</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Narasimha]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Sridevi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Buddolla]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Chandra]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rajadeskhar Reddy]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Nutrient effects on production of cellulolytic enzymes by Aspergillus niger]]></article-title>
<source><![CDATA[African Journal of Biotechnology]]></source>
<year>2006</year>
<volume>5</volume>
<page-range>472-476</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Papagianni]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Fungal morphology and metabolite production in submerged mycelial processes]]></article-title>
<source><![CDATA[Biotechnology Advances]]></source>
<year>2004</year>
<volume>22</volume>
<page-range>189-259</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Papagianni]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mattey]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Physiological aspects of free and immobilized Aspergillus niger cultures producing citric acid under various glucose concentrations]]></article-title>
<source><![CDATA[Process Biochemistry]]></source>
<year>2004</year>
<volume>39</volume>
<page-range>1963-1970</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pazouki]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Panda]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Understanding the morphology of fungi]]></article-title>
<source><![CDATA[Bioprocess Engeneering]]></source>
<year>2000</year>
<volume>22</volume>
<page-range>127-143</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Polizeli]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Rizzatti]]></surname>
<given-names><![CDATA[A. C. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Monti]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Terenzi]]></surname>
<given-names><![CDATA[H. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Jorge]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Amorim]]></surname>
<given-names><![CDATA[D. S]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Xylanases from fungi: properties and industrial applications]]></article-title>
<source><![CDATA[Applied Microbiology and Biotechnology]]></source>
<year>2005</year>
<volume>l67</volume>
<page-range>577-591</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ryoo]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Choi]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Surface thermodynamics of pellet formation in Aspergillus niger]]></article-title>
<source><![CDATA[Biotechnology Letters]]></source>
<year>1999</year>
<volume>21</volume>
<page-range>97-100</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schuster]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Dunn-Coleman]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Frisval]]></surname>
<given-names><![CDATA[J.C.]]></given-names>
</name>
<name>
<surname><![CDATA[van Dijck]]></surname>
<given-names><![CDATA[P. W. M]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[On the safety of Aspergillus niger- a review]]></article-title>
<source><![CDATA[Applied Microbiology and Biotechnology]]></source>
<year>2002</year>
<volume>59</volume>
<page-range>426-435</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Subramaniyan]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Prema]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Biotechnology of microbial xylanases: Enzymology, molecular biology, and application]]></article-title>
<source><![CDATA[Critical Reviews in Biotechnology]]></source>
<year>2002</year>
<volume>22</volume>
<page-range>33-64</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Szijarto]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Szengyel]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Lidén]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Réczey]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Dynamics of cellulase production by glucose grown cultures of Trichoderma reesei Rut-C30 as a response to addition of cellulose]]></article-title>
<source><![CDATA[Applied Biochemistry and Biotechnology]]></source>
<year>2004</year>
<volume>113</volume>
<page-range>115-124</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villena]]></surname>
<given-names><![CDATA[G. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez-Correa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Production of cellulase by Aspergillus niger biofilm developed on polyester cloth]]></article-title>
<source><![CDATA[Letters in Applied Microbiology]]></source>
<year>2006</year>
<volume>43</volume>
<page-range>262-268</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villena]]></surname>
<given-names><![CDATA[G. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez-Correa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Morphological patterns of Aspergillus niger biofilms and pellets related to lignocellulytic enzyme productivities]]></article-title>
<source><![CDATA[Letters in Applied Microbiology]]></source>
<year>2007</year>
<volume>45</volume>
<page-range>231-237</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villena]]></surname>
<given-names><![CDATA[G. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Fujikawa]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Tsuyumu]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez-Correa]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Structural analysis of biofilms and pellets of Aspergillus niger by confocal laser 3 scanning microscopy and cryo scanning electron microscopy]]></article-title>
<source><![CDATA[Bioresource Technology]]></source>
<year>2010</year>
<volume>101</volume>
<page-range>1920-1926</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ward]]></surname>
<given-names><![CDATA[O. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Qin]]></surname>
<given-names><![CDATA[W. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Dhanjoon]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ye]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Physiology and biotechnology of Aspergillus]]></article-title>
<source><![CDATA[Advances in Applied Microbiology]]></source>
<year>2006</year>
<volume>58</volume>
<page-range>1-75</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Znidarsic]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Pavko]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[The morphology of filamentous fungi in submerged cultivations as a bioprocess parameter]]></article-title>
<source><![CDATA[Food Technology and Biotechnology]]></source>
<year>2001</year>
<volume>39</volume>
<page-range>237-252</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
