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Titolo:
RELATIONSHIPS BETWEEN MIXIS IN BRACHIONUS-PLICATILIS AND PRECONDITIONING OF CULTURE-MEDIUM BY CROWDING
Autore:
CARMONA MJ; SERRA M; MIRACLE MR;
Indirizzi:
UNIV VALENCIA,AREA ECOL E46100 BURJASSOT SPAIN
Titolo Testata:
Hydrobiologia
, volume: 255, anno: 1993,
pagine: 145 - 152
SICI:
0018-8158(1993)255:<145:RBMIBA>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
BISEXUAL REPRODUCTION; ASEXUAL REPRODUCTION; ROTIFERS; TEMPERATURE; SALINITY; WATER;
Keywords:
CONDITIONING OF MEDIUM; MIXIS; CROWDING; REPRODUCTION; ROTIFERS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
36
Recensione:
Indirizzi per estratti:
Citazione:
M.J. Carmona et al., "RELATIONSHIPS BETWEEN MIXIS IN BRACHIONUS-PLICATILIS AND PRECONDITIONING OF CULTURE-MEDIUM BY CROWDING", Hydrobiologia, 255, 1993, pp. 145-152

Abstract

Several experiments with Brachionus plicatilis have been conducted totest the existence of chemical-mediated induction of mixis. In a first experimental set, bioassays were used to test relationships between preconditioning of culture medium to high population density and the occurrence of mixis in mass cultures with these media. The results showthat a preconditioned medium has inducing properties that are comparable to the crowding effect. In order to isolate the effect on mixis ofthe preconditioning, we also carried out an experiment involving individual cultures. Isolated individuals of B. plicatilis, CU strain, placed in 1 ml of medium renewed daily showed no mixis, but mixis was induced when medium preconditioned to high density was used following thesame experimental procedure.

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Documento generato il 03/12/20 alle ore 21:28:20