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GrainGenes Reference Report: TAG-91-1265

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Reference	TAG-91-1265
Title	The effect of ph mutations on homoeologous pairing in hybrids of wheat with Triticum longissimum
Journal	Theoretical and Applied Genetics
Year	1995
Volume	91
Pages	1265-1270
Author	Naranjo T Maestra B
Abstract	Homoeologous pairing at metaphase-I was analyzed in wild-type, ph2b, and ph1b hybrids of wheat and a low-pairing type of T longissimum in order to study the effect of ph mutations on the pairing of T longissimum chromosomes with wheat chromosomes Chromosomes of both species, and their arms, were identified by C-banding. The three types of hybrids, with low-, intermediate and high-pairing levels, respectively, exhibited a very similar pairing pattern which was characterized by the existence of two types, A-D and B-S1, of preferential pairing. These results confirm that the S1 genome of T. longissimum is closely related to the B genome of wheat. The possible use of ph1b and ph2b mutations in the transfer to wheat of genes from related species is discussed.
Keyword	c-bands [ Show all 13 ]

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