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Alteration of terminal heterochromatin and chromosome rearrangements in derivatives of wheat-rye hybrids.
J Genet Genomics. 2013 Aug 20; 40(8):413-20.JG

Abstract

Wheat-rye addition and substitution lines and their self progenies revealed variations in telomeric heterochromatin and centromeres. Furthermore, a mitotically unstable dicentric chromosome and stable multicentric chromosomes were observed in the progeny of a Chinese Spring-Imperial rye 3R addition line. An unstable multicentric chromosome was found in the progeny of a 6R/6D substitution line. Drastic variation of terminal heterochromatin including movement and disappearance of terminal heterochromatin occurred in the progeny of wheat-rye addition line 3R, and the 5RS ditelosomic addition line. Highly stable minichromosomes were observed in the progeny of a monosomic 4R addition line, a ditelosomic 5RS addition line and a 6R/6D substitution line. Minichromosomes, with and without the FISH signals for telomeric DNA (TTTAGGG)n, derived from a monosomic 4R addition line are stable and transmissible to the next generation. The results indicated that centromeres and terminal heterochromatin can be profoundly altered in wheat-rye hybrid derivatives.

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Authors+Show Affiliations

Fu S
State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics, and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China.
Lv Z
No affiliation info available
Guo X
No affiliation info available
Zhang X
No affiliation info available
Han F
No affiliation info available

MeSH

CentromereChimeraChromosome AberrationsChromosomes, PlantGene RearrangementHeterochromatinHybridization, GeneticSecaleTriticum

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

23969250

Citation

Fu, Shulan, et al. "Alteration of Terminal Heterochromatin and Chromosome Rearrangements in Derivatives of Wheat-rye Hybrids." Journal of Genetics and Genomics = Yi Chuan Xue Bao, vol. 40, no. 8, 2013, pp. 413-20.
Fu S, Lv Z, Guo X, et al. Alteration of terminal heterochromatin and chromosome rearrangements in derivatives of wheat-rye hybrids. J Genet Genomics. 2013;40(8):413-20.
Fu, S., Lv, Z., Guo, X., Zhang, X., & Han, F. (2013). Alteration of terminal heterochromatin and chromosome rearrangements in derivatives of wheat-rye hybrids. Journal of Genetics and Genomics = Yi Chuan Xue Bao, 40(8), 413-20. https://doi.org/10.1016/j.jgg.2013.05.005
Fu S, et al. Alteration of Terminal Heterochromatin and Chromosome Rearrangements in Derivatives of Wheat-rye Hybrids. J Genet Genomics. 2013 Aug 20;40(8):413-20. PubMed PMID: 23969250.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Alteration of terminal heterochromatin and chromosome rearrangements in derivatives of wheat-rye hybrids. AU - Fu,Shulan, AU - Lv,Zhenling, AU - Guo,Xiang, AU - Zhang,Xiangqi, AU - Han,Fangpu, Y1 - 2013/06/10/ PY - 2013/03/14/received PY - 2013/04/28/revised PY - 2013/05/03/accepted PY - 2013/8/24/entrez PY - 2013/8/24/pubmed PY - 2014/3/14/medline KW - Chromosome rearrangements KW - Heterochromatin KW - Minichromosomes KW - Multiple centromeres KW - Wheat-Rye addition lines SP - 413 EP - 20 JF - Journal of genetics and genomics = Yi chuan xue bao JO - J Genet Genomics VL - 40 IS - 8 N2 - Wheat-rye addition and substitution lines and their self progenies revealed variations in telomeric heterochromatin and centromeres. Furthermore, a mitotically unstable dicentric chromosome and stable multicentric chromosomes were observed in the progeny of a Chinese Spring-Imperial rye 3R addition line. An unstable multicentric chromosome was found in the progeny of a 6R/6D substitution line. Drastic variation of terminal heterochromatin including movement and disappearance of terminal heterochromatin occurred in the progeny of wheat-rye addition line 3R, and the 5RS ditelosomic addition line. Highly stable minichromosomes were observed in the progeny of a monosomic 4R addition line, a ditelosomic 5RS addition line and a 6R/6D substitution line. Minichromosomes, with and without the FISH signals for telomeric DNA (TTTAGGG)n, derived from a monosomic 4R addition line are stable and transmissible to the next generation. The results indicated that centromeres and terminal heterochromatin can be profoundly altered in wheat-rye hybrid derivatives. SN - 1673-8527 UR - https://www.unboundmedicine.com/medline/citation/23969250/Alteration_of_terminal_heterochromatin_and_chromosome_rearrangements_in_derivatives_of_wheat_rye_hybrids_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1673-8527(13)00103-3 DB - PRIME DP - Unbound Medicine ER -