Effect of simulated microgravity on phenotype and central metabolism of Aspergillus niger

Ref ID: 19328

Author:

Yesupatham Sathishkumar, Natarajan Velmurugan, Duraisamy Kalpana1, Kalyanaraman Rajagopal,
Im Chan Ki, Yang Soo Lee

Author address:

College of Agriculture and Life Sciences, Chonbuk National University, Jeonju 561-756, Republic of
Korea

Full conference title:

Asian Mycological Congress 2013 and the 13th International Marine and Freshwater Mycology Symposium

Date: 19 August 2014

Abstract:

Phenotypic and genotypic changes in Aspegillus niger, a spore forming filamentous fungi, with
respect to central metabolism were studied in microgravity, normal gravity and static conditions.
Interestingly, microscopic analysis showed high level of multiple germ tube formation in microgravity than
static and normal conditions. Confocal images of calcofluor flurophore indicated no significant variation
between different conditions. TEM analysis revealed presence of increased number of mitochondria in
microgravity condition than static and normal conditions. In addition, qRT-PCR was performed to
evaluate the differential expression of key cell wall stress response gene gfaA in different growth
conditions.

Abstract Number: P-20

Conference Year: 2013

Link to conference website: NULL

New link: NULL

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