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Titolo:
IDENTIFICATION OF ORGANIC SOLUTES ACCUMULATED BY PURPLE AND GREEN SULFUR BACTERIA DURING OSMOTIC-STRESS USING NATURAL-ABUNDANCE C-13 NUCLEAR-MAGNETIC-RESONANCE SPECTROSCOPY
Autore:
WELSH DT; HERBERT RA;
Indirizzi:
UNIV DUNDEE,DEPT BIOL SCI DUNDEE DD1 4HN SCOTLAND
Titolo Testata:
FEMS microbiology, ecology
fascicolo: 2, volume: 13, anno: 1993,
pagine: 145 - 149
SICI:
0168-6496(1993)13:2<145:IOOSAB>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
COMPATIBLE SOLUTE; ECTOTHIORHODOSPIRA-HALOCHLORIS; SULFUR BACTERIUM; ESCHERICHIA-COLI; MARINE; OSMOREGULATION; CYANOBACTERIA; TREHALOSE; GLYCINEBETAINE; ADJUSTMENT;
Keywords:
NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; OSMOADAPTATION; COMPATIBLE SOLUTE; SUCROSE; TREHALOSE; GLYCINE BETAINE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
D.T. Welsh e R.A. Herbert, "IDENTIFICATION OF ORGANIC SOLUTES ACCUMULATED BY PURPLE AND GREEN SULFUR BACTERIA DURING OSMOTIC-STRESS USING NATURAL-ABUNDANCE C-13 NUCLEAR-MAGNETIC-RESONANCE SPECTROSCOPY", FEMS microbiology, ecology, 13(2), 1993, pp. 145-149

Abstract

Natural abundance C-13 NMR spectroscopy has identified sucrose and trehalose as the principle compatible solutes accumulated by non-halophilic purple and green sulphur bacteria respectively, in response to osmotic stress. Synthesis of glycine betaine as a compatible solute was rare in non-halophilic phototrophic sulphur bacteria and appears to be limited almost exclusively to halotolerant isolates, although all isolates tested were able to accumulate exogenous glycine betaine from thegrowth medium in response to osmotic stress. These data support the hypothesis that the degree of halotolerance of a microorganism may be due, at least in part, to the metabolic effects of the compatible solute(s) accumulated.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/10/20 alle ore 01:28:57