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dc.contributor.author
Colin, Veronica Leticia
dc.contributor.author
Baigori, Mario Domingo
dc.contributor.author
Pera, Licia Maria
dc.date.available
2015-08-24T14:41:45Z
dc.date.issued
2013-05
dc.identifier.citation
Colin, Veronica Leticia; Baigori, Mario Domingo; Pera, Licia Maria; Tailoring fungal morphology of Aspergillus niger MYA 135 by altering the hyphal morphology and the conidia adhesion capacity: biotechnological applications; Springer; ABM Express; 3; 27; 5-2013; 1-13
dc.identifier.issn
2191-0855
dc.identifier.uri
http://hdl.handle.net/11336/1778
dc.description.abstract
Current problems of filamentous fungi fermentations and their further successful developments as microbial cell factories are dependent on control fungal morphology. In this connection, this work explored new experimental procedures in order to quantitatively check the potential of some culture conditions to induce a determined fungal morphology by altering both hyphal morphology and conidia adhesion capacity. The capacity of environmental conditions to modify hyphal morphology was evaluated by examining the influence of some culture conditions on the cell wall lytic potential of Aspergillus niger MYA 135. The relative value of the cell wall lytic potential was determined by measuring a cell wall lytic enzyme activity such as the mycelium-bound β-N-acetyl-Dglucosaminidase (Mb-NAGase). On the other hand, the quantitative value of conidia adhesion was considered as an index of its aggregation capacity. Concerning microscopic morphology, a highly negative correlation between the hyphal growth unit length (lHGU) and the specific Mb-NAGase activity was found (r = −0.915, P < 0.001). In fact, the environment was able to induce highly branched mycelia only under those culture conditions compatible with specific Mb-NAGase values equal to or higher than 190 U gdry.wt -1. Concerning macroscopic morphology, a low conidia adhesion capacity was followed by a dispersed mycelial growth. In fact, this study showed that conidia adhesion units per ml equal to or higher than 0.50 were necessary to afford pellets formation. In addition, it was also observed that once the pellet was formed the lHGU had an important influence on its final diameter. Finally, the biotechnological significance of such results was discussed as well.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Hyphal Morphology
dc.subject
Culture Condition
dc.subject
Aspergillus Niger
dc.subject
Pellet Formation
dc.subject
Metabolite Production
dc.subject
Conidia Adhesion
dc.subject.classification
Micología
dc.subject.classification
Ciencias Biológicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.subject.classification
Bioprocesamiento Tecnológico, Biocatálisis, Fermentación
dc.subject.classification
Biotecnología Industrial
dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
dc.title
Tailoring fungal morphology of Aspergillus niger MYA 135 by altering the hyphal morphology and the conidia adhesion capacity: biotechnological applications
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-03-30 10:35:44.97925-03
dc.journal.volume
3
dc.journal.number
27
dc.journal.pagination
1-13
dc.journal.pais
Alemania
dc.journal.ciudad
Heidelberg
dc.conicet.avisoEditorial
© 2013 Colin et al.; licensee Springer.
dc.description.fil
Fil: Colin, Veronica Leticia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET- Tucumán. Planta Piloto de Procesos Industriales Microbiológicos (i); Argentina;
dc.description.fil
Fil: Baigori, Mario Domingo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET- Tucumán. Planta Piloto de Procesos Industriales Microbiológicos (i); Argentina; Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina;
dc.description.fil
Fil: Pera, Licia Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico - CONICET- Tucumán. Planta Piloto de Procesos Industriales Microbiológicos (i); Argentina;
dc.journal.title
ABM Express
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://download.springer.com/static/pdf/649/art%253A10.1186%252F2191-0855-3-27.pdf?originUrl=http%3A%2F%2Flink.springer.com%2Farticle%2F10.1186%2F2191-0855-3-27&token2=exp=1440166167~acl=%2Fstatic%2Fpdf%2F649%2Fart%25253A10.1186%25252F2191-0855-3-27.pdf%3ForiginUrl%3Dhttp%253A%252F%252Flink.springer.com%252Farticle%252F10.1186%252F2191-0855-3-27*~hmac=12e2dffd61343799f6f3c728e5a6b932552a2b963af5beb7f42c4186e5c67e19
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3679960/
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.amb-express.com/content/pdf/2191-0855-3-27.pdf


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