Introgressive hybridization in fishes - the biochemical-evidence

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Introgressive hybridization in fishes - the biochemical-evidence. / VERSPOOR, E; HAMMAR, J.

In: Journal of Fish Biology, Vol. 39, No. sA, 12.1991, p. 309-334.

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@article{3a897cc95f7d493a88df2ad1ab6d32a4,
title = "Introgressive hybridization in fishes - the biochemical-evidence",
abstract = "Biochemical methods can detect variation at individual genetic loci, making possible the direct assessment of natural hybridization and introgression between fish populations. Protein electro-phoresis has been used to confirm and extend knowledge of many situations where species hybrids have been detected by morphological analyses. New cases of natural hybridization, including some at the subspecies level, have also been identified. Biochemical studies have provided the first conclusive evidence of natural post F1 hybrids and of introgression between fish taxa. The strongest cases for introgression have used a combined analysis of nuclear protein genes and taxaspecific maternally inherited mitochondrial DNA variation. Information on the significance of introgression as a source of gene flow between taxa, particularly below the species level where sympatric subspecies and sibling species are involved, should expand in the future as the numbers and types of nuclear and mitochondrial DNA loci which can be assayed for variation increase. The full importance of introgressive hybridization in speciation may then be understood.",
keywords = "INTROGRESSION, HYBRIDIZATION, SALMONIDS, PROTEIN ELECTROPHORESIS, MITOCHONDRIAL DNA",
author = "E VERSPOOR and J HAMMAR",
year = "1991",
month = "12",
doi = "10.1111/j.1095-8649.1991.tb05094.x",
language = "English",
volume = "39",
pages = "309--334",
journal = "Journal of Fish Biology",
issn = "0022-1112",
publisher = "Wiley-Blackwell",
number = "sA",

}

RIS

TY - JOUR

T1 - Introgressive hybridization in fishes - the biochemical-evidence

AU - VERSPOOR,E

AU - HAMMAR,J

PY - 1991/12

Y1 - 1991/12

N2 - Biochemical methods can detect variation at individual genetic loci, making possible the direct assessment of natural hybridization and introgression between fish populations. Protein electro-phoresis has been used to confirm and extend knowledge of many situations where species hybrids have been detected by morphological analyses. New cases of natural hybridization, including some at the subspecies level, have also been identified. Biochemical studies have provided the first conclusive evidence of natural post F1 hybrids and of introgression between fish taxa. The strongest cases for introgression have used a combined analysis of nuclear protein genes and taxaspecific maternally inherited mitochondrial DNA variation. Information on the significance of introgression as a source of gene flow between taxa, particularly below the species level where sympatric subspecies and sibling species are involved, should expand in the future as the numbers and types of nuclear and mitochondrial DNA loci which can be assayed for variation increase. The full importance of introgressive hybridization in speciation may then be understood.

AB - Biochemical methods can detect variation at individual genetic loci, making possible the direct assessment of natural hybridization and introgression between fish populations. Protein electro-phoresis has been used to confirm and extend knowledge of many situations where species hybrids have been detected by morphological analyses. New cases of natural hybridization, including some at the subspecies level, have also been identified. Biochemical studies have provided the first conclusive evidence of natural post F1 hybrids and of introgression between fish taxa. The strongest cases for introgression have used a combined analysis of nuclear protein genes and taxaspecific maternally inherited mitochondrial DNA variation. Information on the significance of introgression as a source of gene flow between taxa, particularly below the species level where sympatric subspecies and sibling species are involved, should expand in the future as the numbers and types of nuclear and mitochondrial DNA loci which can be assayed for variation increase. The full importance of introgressive hybridization in speciation may then be understood.

KW - INTROGRESSION

KW - HYBRIDIZATION

KW - SALMONIDS

KW - PROTEIN ELECTROPHORESIS

KW - MITOCHONDRIAL DNA

U2 - 10.1111/j.1095-8649.1991.tb05094.x

DO - 10.1111/j.1095-8649.1991.tb05094.x

M3 - Article

VL - 39

SP - 309

EP - 334

JO - Journal of Fish Biology

T2 - Journal of Fish Biology

JF - Journal of Fish Biology

SN - 0022-1112

IS - sA

ER -

ID: 1711964