NDLI: Growth and soluble amino acid composition inPenicillium corylophilum andHalobacterium halobium grown under salt stress

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Growth and soluble amino acid composition inPenicillium corylophilum andHalobacterium halobium grown under salt stress

Content Provider	Semantic Scholar
Author	Hefnawy, M. A. Nasr, Mahmoud Imam El-Mongy, Magda
Copyright Year	2008
Abstract	Penicillium corylophilum can grow in a medium containing NaCl up to 3 mol/L, whereasHalobacterium halobium can grow at 5 mol/L NaCl. At 1 and 3 mol/L NaCl the number of spores decreased with constrictions in the conidiophore and damage in phialides and metulae while there were no morphological changes in bacterial cells grown in the presence of NaCl. Addition of some amino acids or sugar alcohol to the growth medium enhanced the growth of both organisms in the presence of NaCl. Total protein in the fungal cells grown at 1 mol/L NaCl increased by 50% more than in the control cells but it decreased in the bacterial cells with increasing NaCl concentration in the growth medium. Total saccharides and lipids increased in both organisms with increasing NaCl in the growth medium. The endogenous amino acid pool increased in fungal and bacterial cells in the presence of NaCl. Proline was the major amino acid in the fungal cells at 1 mol/L NaCl, representing 41.3% of the total identified amino acids at this concentration, being 8.4 times higher than in the control cells. Glutamate and aspartate showed the highest amount in bacterial cells at 3 mol/L NaCl. Isoleucine showed the highest increase at 3 mol/L NaCl, being 54 times higher than in the control cells.
Starting Page	25
Ending Page	31
Page Count	7
File Format	PDF HTM / HTML
DOI	10.1007/BF02816216
Volume Number	44
Alternate Webpage(s)	http://staff.usc.edu.eg/uploads/fddbfecbfc06a3398cee55ca9dd88c1d.pdf
Alternate Webpage(s)	https://doi.org/10.1007/BF02816216
Journal	Folia Microbiologica
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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