論文

査読有り 筆頭著者
2008年9月

Class 1 KNOX genes are not involved in shoot development in the moss Physcomitrella patens but do function in sporophyte development

EVOLUTION & DEVELOPMENT
  • Keiko Sakakibara
  • ,
  • Tomoaki Nishiyama
  • ,
  • Hironori Deguchi
  • ,
  • Mitsuyasu Hasebe

10
5
開始ページ
555
終了ページ
566
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1111/j.1525-142X.2008.00271.x
出版者・発行元
WILEY-BLACKWELL

Although the number and form of metazoan organs are determined in the embryo, plants continuously form organs via pluripotent stem cells contained within the meristem. Flowering plants have an indeterminate meristem in their diploid generation, whereas the common ancestor of land plants is inferred to have formed an indeterminate meristem in its haploid generation, as observed in the extant basal land plants, bryophytes, including mosses. It is hypothesized that the underlying gene networks for the diploid meristem were initially present in the haploid generation of the basal land plants and were eventually co-opted for expression in the diploid generation. In flowering plants, the class 1 KNOTTED1-LIKE HOMEOBOX (KNOX) transcription factors are essential for the function of the indeterminate apical meristem. Here, we show that the class 1 KNOX orthologs function in the diploid organ, with determinate growth in the moss Physcomitrella patens, but do not function in the haploid indeterminate meristem. We propose that the genetic networks governing the indeterminate meristem in land plants are variable, and the networks governing the diploid indeterminate meristem with the class 1 KNOX genes likely evolved de novo in the flowering plant lineage.

リンク情報
DOI
https://doi.org/10.1111/j.1525-142X.2008.00271.x
CiNii Articles
http://ci.nii.ac.jp/naid/10027217501
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/18803774
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000259147600009&DestApp=WOS_CPL
ID情報
  • DOI : 10.1111/j.1525-142X.2008.00271.x
  • ISSN : 1520-541X
  • CiNii Articles ID : 10027217501
  • PubMed ID : 18803774
  • Web of Science ID : WOS:000259147600009

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