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PMID: 17295128 Published · ppublish English Journal Article Research Support, U.S. Gov't, Non-P.H.S. Review

Rice as a model for centromere and heterochromatin research.

Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology ·Vol. 15 ·No. 1 ·2007-00-00 ·Pages 77-84

Yan H, Jiang J

Abstract

Rice (Oryza sativa) has become an important model plant species in numerous research projects involving genome, molecular and evolutionary biology. In this review we describe the reasons why rice provides an excellent model system for centromere and heterochromatin research. In most multicellular eukaryotes, centromeres and heterochromatic domains contain long arrays of repetitive DNA elements that are recalcitrant to DNA sequencing. In contrast, three rice centromeres and the majority of the cytologically defined heterochromatin in the rice genome have been sequenced to high quality, providing an unparalleled resource compared to other model multicellular eukaryotes. Most importantly, active genes have been discovered in the functional domains of several rice centromeres. The centromeric genes and sequence resources provide an unprecedented opportunity to study function and evolution of centromeres and centromere-associated genes.

MeSH Terms
Centromere/genetics Epigenesis, Genetic Evolution, Molecular Gene Expression Regulation, Plant Heterochromatin/metabolism,ultrastructure Histones/metabolism Models, Genetic Oryza/genetics,metabolism Transcription, Genetic
Chemicals
Heterochromatin Histones
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Yan Huihuang
Department of Horticulture, University of Wisconsin-Madison, Madison, WI 53706, USA.
Jiang Jiming
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Article Info
Journal
Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology
Abbr.
Chromosome Res
ISSN
0967-3849
DOI
10.1007/s10577-006-1104-z
Published
2007-00-00
Pages
77-84
Language
English
Region
Netherlands
NLM ID
9313452
Subset
IM
External Links
PubMed source DOI: 10.1007/s10577-006-1104-z View journal details
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