Can I read Non‐angiosperm Phytochromes and the Evolution of Vascular Plants on EtoBox?

Non‐angiosperm Phytochromes and the Evolution of Vascular Plants by Hansjörg A. W. Schneider‐Poetsch; Üner Kolukisaoglu; David H. Clapham; Jon Hughes; Tilman Lamparter is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Non‐angiosperm Phytochromes and the Evolution of Vascular Plants about?

The phytochromes, a class of plant light‐sensing pigments, are a gene family with a long, complex evolutionary history. Angiosperms each have five or more phytochromes (designated A to E in __Arabidopsis__) with distinct functions as light receptors and only moderate sequence identities for different types within a species. The long‐term challenge taken up here is to trace the origin and function of the various motifs within the angiosperm phytochromes through gymnosperm phytochromes (types N, O and P) and lower plant phytochromes, sometimes reaching even to bacterial progenitor molecules. Particularly intriguing are the findings of homology of a C‐terminal region of phytochromes with bacterial transmitter modules and of a large N‐terminal region with a protein encoded by a gene from the cyanobacterum __Synechocystis__. Phylogenetic analysis helps to answer general questions such as the times of divergence of mono‐ and dicotyledons, of groups of gymnosperms or of ferns. Phytochrome sequences suggest (1) that mono‐ and dicotyledons became separated 150‐200 million years earlier than indicated by the fossil record and (2) that __Ginkgo__ and __Cycas__ have been separated unexpectedly

Who reads Non‐angiosperm Phytochromes and the Evolution of Vascular Plants?

Author

Hansjörg A. W. Schneider‐Poetsch; Üner Kolukisaoglu; David H. Clapham; Jon Hughes; Tilman Lamparter

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0031-9317)

Published

1998

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)