ArticlePlant molecular biology1996
Phytochrome of the green alga Mougeotia: cDNA sequence, autoregulation and phylogenetic position.
Article in Plant molecular biology, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 42 citations in OpenAlex.
- Characterization of Phytochrome Interacting Factors from the MossThe Plant cell · 2017Article
- Evolutionary aspects of plant photoreceptors.Journal of plant research · 2016Review
- Cell-type specific light-mediated transcript regulation in the multicellular alga Volvox carteri.BMC genomics · 2014Article
- Review
- Retrograde bilin signaling enables Chlamydomonas greening and phototrophic survival.Proceedings of the National Academy of Sciences of the United States of America · 2013Article
- A chimeric photoreceptor gene, NEOCHROME, has arisen twice during plant evolution.Proceedings of the National Academy of Sciences of the United States of America · 2005Article
- A model for signal transduction during gamete release in the fucoid alga pelvetia compressaPlant physiology · 1998Article
- Photoresponses of transgenic Arabidopsis overexpressing the fern Adiantum capillus-veneris PHY1.Plant physiology · 1997Article
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Authors and funding
2 authors at 1 institution in 1 country.
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Abstract
A cDNA clone encoding phytochrome (apoprotein) of the zygnematophycean green alga Mougeotia scalaris has been isolated and sequenced. The clone consisted of 3372 bp, encoded 1124 amino acids, and showed strainspecific nucleotide exchanges for M. scalaris, originating from different habitats. No indication was found of multiple phytochrome genes in Mougeotia. The 5' non-coding region of the Mougeotia PHY cDNA harbours a striking stem-loop structure. Homologies with higher-plant phytochromes were 52-53% for PHYA and 57-59% for PHYB. Highest homology scores were found with lower-plant phytochromes, for example 67% for Selaginella (Lycopodiopsida), 64% for Physcomitrella (Bryopsida) and 73% for Mesotaenium (Zygnematophyceae). In an unrooted phylogenetic tree, the position of Mougeotia PHY appeared most distant to all other known PHYs. The amino acids Gly-Val in the chromophore-binding domain (-Arg-Gly-Val-His-Gly-Cys-) were characteristic of the zygnematophycean PHYs known to date. There was no indication of a transmembrane region in Mougeotia phytochrome in particular, but a carboxyl-terminal 16-mer three-fold repeat in both, Mougeotia and Mesotaenium PHYs may represent a microtubule-binding domain. Unexpected for a non-angiosperm phytochrome, its expression was autoregulated in Mougeotia in a red/far-red reversible manner: under Pr conditions, phytochrome mRNA levels were tenfold higher than under Pfr conditions.
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