Evidence map›Paper›PMID 18392854›Full record

ArticleMolecular genetics and genomics : MGG2008

Characterization of chromosome ends on the basis of the structure of TrsA subtelomeric repeats in rice (Oryza sativa L.).

Hiroshi Mizuno, Jianzhong Wu, Yuichi Katayose, Hiroyuki Kanamori, Takuji Sasaki, Takashi Matsumoto

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Article in Molecular genetics and genomics : MGG, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

Who cites it

7 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Hiroshi MizunoNational Institute of Agrobiological Sciences, 1-2, Kannondai 2-chome, Tsukuba, Ibaraki 305-8602, Japan. hmizuno@nias.affrc.go.jp
Jianzhong Wu
Yuichi Katayose
Hiroyuki Kanamori
Takuji Sasaki
Takashi Matsumoto

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Subtelomeres contain species-specific repetitive sequences. We characterized rice chromosome ends on the basis of the structure of TrsA, a subtelomeric repetitive sequence of rice. Among the 24 chromosome arms, TrsA was arrayed in tandem on the ends of five: 5L, 6S, 8L, 9L, and 12L. TrsA sequences were arranged in discrete clusters of 3-106 copies in a chromosome-specific manner, instead of being distributed uniformly throughout the subtelomeric regions. The clusters were located at the distal-most end of the sequenced region in 5L, 6S, 8L, and 9L, but in 12L expressed genes were present distal to the clusters. Thus, rice subtelomeres are composed of discrete clusters of a TrsA-rich region and a gene-rich region with high transcriptional activity. Intra-chromosomal duplications have resulted in a striking degree of variation in the number and distribution of TrsAs, suggesting that the areas near the ends of the chromosomes are dynamic and variable.

Indexed as

Repetitive Sequences, Nucleic AcidChromosomes, PlantDNA, PlantGene DuplicationGenes, PlantGenome, PlantOryzaSequence Analysis, DNATelomereDNA, Plant

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.