S Umesh-Kumar
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Explore the profile of S Umesh-Kumar including associated specialties, affiliations and a list of published articles.
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Articles
12
Citations
28
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Recent Articles
1.
Dhale M, Divakar S, Umesh-Kumar S, Vijayalakshmi G
J Appl Microbiol
. 2007 Nov;
103(6):2168-73.
PMID: 18045399
Aim: Characterization of dehydromonacolin-MV2, a bioactive metabolite isolated from Monascus purpureus mutant (CFR 410-11). Methods And Results: Chloroform extract of rice, fermented with a hyperpigment-producing mutant of M. purpureus (CFR...
2.
Ravi-Kumar K, Venkatesh K, Umesh-Kumar S
Appl Microbiol Biotechnol
. 2006 Nov;
74(5):1011-5.
PMID: 17123073
The 53-kDa amylase secreted by Aspergillus niger due to proteolytic processing of the precursor starch-hydrolyzing enzyme was resistant to acarbose, a potent alpha-glucosidase inhibitor. The enzyme production was induced when...
3.
Ravi-Kumar K, Venkatesh K, Umesh-Kumar S
FEBS Lett
. 2004 Jan;
557(1-3):239-42.
PMID: 14741374
The observation that a mutant strain of Aspergillus niger isolated for protease overproduction accumulated Taka-amylase supported an earlier report that processing of the precursor amylase by protease resulted in the...
4.
Dubey A, Suresh C, Kavitha R, Karanth N, Umesh-Kumar S
FEBS Lett
. 2000 Apr;
471(2-3):251-5.
PMID: 10767433
A 125-kDa starch hydrolysing enzyme of Aspergillus niger characterised by its ability to dextrinise and saccharify starch [Suresh et al. (1999) Appl. Microbiol. Biotechnol. 51, 673-675] was also found to...
5.
Kavitha R, Umesh-Kumar S
Biotechnol Bioeng
. 1999 Dec;
67(1):121-5.
PMID: 10581444
Low pectinase production by Aspergillus carbonarius growing on wheat bran solid substrate was found to be due to reduced colonizational ability of the fungus. Since A. niger showed higher growth...
6.
Suresh C, Dubey A, Kini R, Umesh-Kumar S, Karanth N
Electrophoresis
. 1999 Apr;
20(3):483-5.
PMID: 10217158
A procedure to detect raw and gelatinized starch activities of glucoamylase on isoelectric focusing (IEF) gels by using 2, 3, 5-triphenyltetrazolium chloride is described. The reagent reacts with the reducing...
7.
Suresh C, Dubey A, Kavitha R, Umesh-Kumar S
Anal Biochem
. 1998 Dec;
264(2):286-8.
PMID: 9866696
No abstract available.
8.
Shankar C, Ahamad P, Ramakrishnan M, Umesh-Kumar S
Biochem Mol Biol Int
. 1996 Sep;
40(1):145-50.
PMID: 8886280
In rapidly fermenting yeast, the rotenone insensitive mitochondrial NADH dehydrogenase was not completely repressed by high glucose. This activity appeared to enhance the glycolytic rate due to which acetaldehyde accumulated...
9.
Shankar C, Ramakrishnan M, Umesh-Kumar S
Microbiology (Reading)
. 1996 Sep;
142 ( Pt 9):2663-7.
PMID: 8828236
MIG1, encoding a C2H2 zinc-finger repressor protein involved in carbon catabolite repression, was found to play a role in non-sexual flocculation of Saccharomyces cerevisiae. Disruption of MIG1 in a flocculent...
10.
Shankar C, Umesh-Kumar S
Microbiology (Reading)
. 1994 May;
140 ( Pt 5):1097-101.
PMID: 8025675
A cell-wall-surface protein purified from the cells of Saccharomyces cerevisiae NCYC 227 was found to be involved in the non-sexual flocculation of this yeast. This 13 kDa protein was found...