Construction of a horse BAC library and cytogenetical assignment of 20 type I and type II markers

Construction of a horse BAC library and cytogenetical assignment of 20 type I and type II markers A horse BAC library was constructed with about 40, 000 clones and mean insert size of 110 kb representing a 1.5 genome equivalent coverage and a probability of finding a single sequence of 0.75. It was characterized by PCR screening of about 130 sequences of horse microsatellites and exonic gene sequences retrieved from databases. BACs containing 8 microsatellites and 12 genes were subsequently localized by fluorescent in situ hybridization (FISH) on chromosomes. Two linkage groups were newly assigned to chromosomes: LG2 to ECA3 and LG5 to ECA24, and five linkage groups were also oriented—LG3, LG4, LG5, LG8, and LG12—leaving only three groups unassigned. This work showed how this library makes an integrated map a realistic objective for the near future and how it can make comparative mapping more efficient in a search for candidate genes of interest. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Mammalian Genome Springer Journals

Construction of a horse BAC library and cytogenetical assignment of 20 type I and type II markers

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Publisher
Springer-Verlag
Copyright
Copyright © 1998 by Springer-Verlag New York Inc.
Subject
Life Sciences; Cell Biology; Animal Genetics and Genomics; Human Genetics
ISSN
0938-8990
eISSN
1432-1777
D.O.I.
10.1007/s003359900835
Publisher site
See Article on Publisher Site

Abstract

A horse BAC library was constructed with about 40, 000 clones and mean insert size of 110 kb representing a 1.5 genome equivalent coverage and a probability of finding a single sequence of 0.75. It was characterized by PCR screening of about 130 sequences of horse microsatellites and exonic gene sequences retrieved from databases. BACs containing 8 microsatellites and 12 genes were subsequently localized by fluorescent in situ hybridization (FISH) on chromosomes. Two linkage groups were newly assigned to chromosomes: LG2 to ECA3 and LG5 to ECA24, and five linkage groups were also oriented—LG3, LG4, LG5, LG8, and LG12—leaving only three groups unassigned. This work showed how this library makes an integrated map a realistic objective for the near future and how it can make comparative mapping more efficient in a search for candidate genes of interest.

Journal

Mammalian GenomeSpringer Journals

Published: Aug 1, 1998

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