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MYC gene family in cereals : Transformations during evolution of hexaploid bread wheat and its relatives. / Strygina, K. V.; Khlestkina, E. K.

In: Molekuliarnaia biologiia, Vol. 51, No. 5, 09.11.2017, p. 772-779.

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Strygina KV, Khlestkina EK. MYC gene family in cereals: Transformations during evolution of hexaploid bread wheat and its relatives. Molekuliarnaia biologiia. 2017 Nov 9;51(5):772-779. doi: 10.7868/S0026898417050032

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Strygina, K. V. ; Khlestkina, E. K. / MYC gene family in cereals : Transformations during evolution of hexaploid bread wheat and its relatives. In: Molekuliarnaia biologiia. 2017 ; Vol. 51, No. 5. pp. 772-779.

BibTeX

@article{c12d5a7f498140de8525c4df050fc876,
title = "MYC gene family in cereals: Transformations during evolution of hexaploid bread wheat and its relatives",
abstract = "The transcription factors of the MYC gene family are an integral part of the MYB + MYC + WD40 regulatory complex required to activate the genes of plant flavonoid biosynthesis. The TaMyc1 gene, which controls the synthesis of flavonoid pigments in the grain pericarp, is known in bread wheat (Triticum aestivum L., BBAADD genome, 2n = 6x = 42). In the present work, we identified 10 copies of this gene in the T. aestivum genome, 22 copies in the nearest bread wheat relatives (T. durum, T. urartu, T. monococcum, Aegilops speltoides, Ae. sharonensis, Ae. tauschii). The analysis of genetic similarity of all these genes demonstrated that the MYC gene duplication occurred for the first time in the common diploid ancestor of the Triticeae tribe with the formation of copies in the second and fourth chromosomes. In the members of the Triticum and Aegilops genera, these genes underwent from two to four duplication acts that resulted in the formation of paralogous copies. The orthologs of the MYC genes obtained from ancestral diploid species exist in polyploid species of the Triticum genus (in addition to paralogues). The time of the emergence of individual MYC family members was calculated based on the average speed of accumulation of nucleotide substitutions (k) in the MYC genes (established in this work) and certain number of synonymous substitutions between individual copies.",
keywords = "Aegilops, bHLH, bread wheat, flavonoid biosynthesis, gene divergence, gene duplication, MYC, polyploid genome, transcription factor, Triticum, Evolution, Molecular, Plant Proteins/genetics, Polyploidy, Proto-Oncogene Proteins c-myc/genetics, Triticum/genetics",
author = "Strygina, {K. V.} and Khlestkina, {E. K.}",
year = "2017",
month = nov,
day = "9",
doi = "10.7868/S0026898417050032",
language = "English",
volume = "51",
pages = "772--779",
journal = "Molekulyarnaya Biologiya",
issn = "0026-8984",
publisher = "Russian Academy of Sciences",
number = "5",

}

RIS

TY - JOUR

T1 - MYC gene family in cereals

T2 - Transformations during evolution of hexaploid bread wheat and its relatives

AU - Strygina, K. V.

AU - Khlestkina, E. K.

PY - 2017/11/9

Y1 - 2017/11/9

N2 - The transcription factors of the MYC gene family are an integral part of the MYB + MYC + WD40 regulatory complex required to activate the genes of plant flavonoid biosynthesis. The TaMyc1 gene, which controls the synthesis of flavonoid pigments in the grain pericarp, is known in bread wheat (Triticum aestivum L., BBAADD genome, 2n = 6x = 42). In the present work, we identified 10 copies of this gene in the T. aestivum genome, 22 copies in the nearest bread wheat relatives (T. durum, T. urartu, T. monococcum, Aegilops speltoides, Ae. sharonensis, Ae. tauschii). The analysis of genetic similarity of all these genes demonstrated that the MYC gene duplication occurred for the first time in the common diploid ancestor of the Triticeae tribe with the formation of copies in the second and fourth chromosomes. In the members of the Triticum and Aegilops genera, these genes underwent from two to four duplication acts that resulted in the formation of paralogous copies. The orthologs of the MYC genes obtained from ancestral diploid species exist in polyploid species of the Triticum genus (in addition to paralogues). The time of the emergence of individual MYC family members was calculated based on the average speed of accumulation of nucleotide substitutions (k) in the MYC genes (established in this work) and certain number of synonymous substitutions between individual copies.

AB - The transcription factors of the MYC gene family are an integral part of the MYB + MYC + WD40 regulatory complex required to activate the genes of plant flavonoid biosynthesis. The TaMyc1 gene, which controls the synthesis of flavonoid pigments in the grain pericarp, is known in bread wheat (Triticum aestivum L., BBAADD genome, 2n = 6x = 42). In the present work, we identified 10 copies of this gene in the T. aestivum genome, 22 copies in the nearest bread wheat relatives (T. durum, T. urartu, T. monococcum, Aegilops speltoides, Ae. sharonensis, Ae. tauschii). The analysis of genetic similarity of all these genes demonstrated that the MYC gene duplication occurred for the first time in the common diploid ancestor of the Triticeae tribe with the formation of copies in the second and fourth chromosomes. In the members of the Triticum and Aegilops genera, these genes underwent from two to four duplication acts that resulted in the formation of paralogous copies. The orthologs of the MYC genes obtained from ancestral diploid species exist in polyploid species of the Triticum genus (in addition to paralogues). The time of the emergence of individual MYC family members was calculated based on the average speed of accumulation of nucleotide substitutions (k) in the MYC genes (established in this work) and certain number of synonymous substitutions between individual copies.

KW - Aegilops

KW - bHLH

KW - bread wheat

KW - flavonoid biosynthesis

KW - gene divergence

KW - gene duplication

KW - MYC

KW - polyploid genome

KW - transcription factor

KW - Triticum

KW - Evolution, Molecular

KW - Plant Proteins/genetics

KW - Polyploidy

KW - Proto-Oncogene Proteins c-myc/genetics

KW - Triticum/genetics

UR - http://www.scopus.com/inward/record.url?scp=85033780883&partnerID=8YFLogxK

U2 - 10.7868/S0026898417050032

DO - 10.7868/S0026898417050032

M3 - Article

C2 - 29116063

AN - SCOPUS:85033780883

VL - 51

SP - 772

EP - 779

JO - Molekulyarnaya Biologiya

JF - Molekulyarnaya Biologiya

SN - 0026-8984

IS - 5

ER -

ID: 14279830