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Titolo:
VIABILITY AND ACTIVITY IN READILY CULTURABLE BACTERIA - A REVIEW AND DISCUSSION OF THE PRACTICAL ISSUES
Autore:
KELL DB; KAPRELYANTS AS; WEICHART DH; HARWOOD CR; BARER MR;
Indirizzi:
MED SCH NEWCASTLE UPON TYNE,DEPT MICROBIOL,FRAMLINGTON PL NEWCASTLE TYNE NE2 4HH TYNE & WEAR ENGLAND MED SCH NEWCASTLE UPON TYNE,DEPT MICROBIOL NEWCASTLE TYNE NE2 4HH TYNE & WEAR ENGLAND RUSSIAN ACAD SCI,BACH INST BIOCHEM MOSCOW 117071 RUSSIA UNIV WALES,INST BIOL SCI ABERYSTWYTH SY23 3DA DYFED WALES
Titolo Testata:
Antonie van Leeuwenhoek
fascicolo: 2, volume: 73, anno: 1998,
pagine: 169 - 187
SICI:
0003-6072(1998)73:2<169:VAAIRC>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
PATHOGEN AEROMONAS-SALMONICIDA; STATIONARY-PHASE CULTURES; PROGRAMMED CELL-DEATH; DIRECT VIABLE COUNT; VIBRIO-CHOLERAE O1; ESCHERICHIA-COLI; FLOW-CYTOMETRY; MICROCOCCUS-LUTEUS; CAMPYLOBACTER-JEJUNI; NONCULTURABLE STATE;
Keywords:
VIABILITY; CULTURABILITY; ANABIOSIS; CRYPTOBIOSIS; DORMANCY; METABOLIC ACTIVITY; THANATOLOGY;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
132
Recensione:
Indirizzi per estratti:
Citazione:
D.B. Kell et al., "VIABILITY AND ACTIVITY IN READILY CULTURABLE BACTERIA - A REVIEW AND DISCUSSION OF THE PRACTICAL ISSUES", Antonie van Leeuwenhoek, 73(2), 1998, pp. 169-187

Abstract

In microbiology the terms 'viability' and 'culturability' are often equated. However, in recent years the apparently self-contradictory expression 'viable-but-nonculturable' ('VBNC') has been applied to cells with various and often poorly defined physiological attributes but which, nonetheless, could not be cultured by methods normally appropriateto the organism concerned. These attributes include apparent cell integrity, the possession of some form of measurable cellular activity and the apparent capacity to regain culturability. We review the evidence relating to putative VBNC cells and stress our view that most of thereports claiming a return to culturability have failed to exclude theregrowth of a limited number of cells which had never lost culturability. We argue that failure to differentiate clearly between use of theterms 'viability' and 'culturability' in an operational versus a conceptual sense is fuelling the current debate, and conclude with a number of proposals that are designed to help clarify the major issues involved. In particular, we suggest an alternative operational terminologythat replaces 'VBNC' with expressions that are internally consistent.

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Documento generato il 18/09/20 alle ore 14:58:34