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Titolo:
HETEROZYGOTE DEFICIENCIES IN A COHORT OF NEWLY SETTLED MYTILUS-EDULISSPAT
Autore:
FAIRBROTHER JE; BEAUMONT AR;
Indirizzi:
UNIV WALES,SCH OCEAN SCI,MENAI BRIDGE BANGOR LL59 5EH GWYNEDD WALES
Titolo Testata:
Journal of the Marine Biological Association of the United Kingdom
fascicolo: 3, volume: 73, anno: 1993,
pagine: 647 - 653
SICI:
0025-3154(1993)73:3<647:HDIACO>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
GENETIC-VARIATION; PAIR MATINGS; GROWTH-RATE; POPULATIONS; MUSSELS; SELECTION; SHORE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
20
Recensione:
Indirizzi per estratti:
Citazione:
J.E. Fairbrother e A.R. Beaumont, "HETEROZYGOTE DEFICIENCIES IN A COHORT OF NEWLY SETTLED MYTILUS-EDULISSPAT", Journal of the Marine Biological Association of the United Kingdom, 73(3), 1993, pp. 647-653

Abstract

A cohort of newly settled Mytilus edulis (L. ) (Mollusca: Bivalvia) spat (mean shell length 530 mum) was collected from red filamentous algae at a site on the North Wales coast. After a period of growth in the laboratory, cellulose acetate and starch gel electrophoresis were usedto investigate genotype frequencies at the Gpi, Odh, Lap, Pgm, Idh and Mpi loci. Individual testing of each locus, using the chi2 test, revealed significant deficiencies of heterozygotes at the Pgm, Mpi and Idh loci. However, further testing using a sequential Bonferroni test, designed to assess the probability of observing at least one significant result from a number of tests by chance alone, revealed that only the deficiency of heterozygotes at Pgm and Mpi loci was significant at the table-wide 95% level. Since post-collection mortality was <3%, these heterozygote deficits must have existed at the time of collection. The conclusion drawn is that heterozygote deficiencies in mussels are generated during the larval stage or at early settlement.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/11/20 alle ore 13:28:29