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Trends Plant Sci. 2016 Dec;21(12):1008-1016. doi: 10.1016/j.tplants.2016.10.001. Epub 2016 Oct 24.

The Evolution of HD2 Proteins in Green Plants.

Author information

1
Agroécologie, AgroSup Dijon, Centre National de la Recherche Scientifique (CNRS), Institut National de la Recherche Agronomique (INRA), Université Bourgogne Franche-Comté, 21000 Dijon, France. Electronic address: stephane.bourque@inra.fr.
2
Agroécologie, AgroSup Dijon, Centre National de la Recherche Scientifique (CNRS), Institut National de la Recherche Agronomique (INRA), Université Bourgogne Franche-Comté, 21000 Dijon, France.
3
Department of Biology, Florida Museum of Natural History, Gainesville, FL 32611, USA; Genetics Institute, University of Florida, Gainesville, FL 32611, USA.
4
Department of Biological Sciences, University of North Texas, 1155 Union Circle, Denton, TX 76201, USA.
5
Botanical Institute, Cologne Biocenter, University of Cologne, 50674 Cologne, Germany.
6
Department of Biology, University of British Columbia, Kelowna, BC V1V 1V7, Canada.
7
Department of Plant Biology, University of Georgia, Athens, GA 30602, USA.
8
Jodrell Laboratory, Royal Botanic Gardens Kew, Richmond, Surrey, UK; Plant Biology, University of Western Australia, 35 Stirling Highway, Crawley, Perth, 6009, Western Australia.
9
University Herbarium and Department of Integrative Biology, University of California Berkeley, Berkeley, CA 94720, USA.
10
New York Botanical Garden, 2900 Southern Boulevard, Bronx, NY 10458, USA.
11
Department of Botany, University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
12
Chinese Academy of Sciences (CAS) Key Laboratory of Genome Science and Information, Beijing Institute of Genomics, CAS, 1-104 Beichen West Road, Chaoyang District, Beijing 100101, China.
13
Division of Biological Sciences and Bond Life Sciences Center, University of Missouri, Columbia, MO 65211, USA.
14
Department of Horticulture, Michigan State University, East Lansing, MI 48823, USA.
15
Beijing Genomics Institute (BGI)-Shenzhen, Beishan Industrial Zone, Yantian District, Shenzhen 518083, China.
16
Department of Biological Sciences, University of Alberta, Edmonton, AB T6G 2E9, Canada.
17
Beijing Genomics Institute (BGI)-Shenzhen, Beishan Industrial Zone, Yantian District, Shenzhen 518083, China; Department of Biological Sciences, University of Alberta, Edmonton, AB T6G 2E9, Canada; Department of Medicine, University of Alberta, Edmonton, AB T6G 2E1, Canada.

Abstract

In eukaryotes, protein deacetylation is carried out by two well-conserved histone deacetylase (HDAC) families: RPD3/HDA1 and SIR2. Intriguingly, model plants such as Arabidopsis express an additional plant-specific HDAC family, termed type-2 HDACs (HD2s). Transcriptomic analyses from more than 1300 green plants generated by the 1000 plants (1KP) consortium showed that HD2s appeared early in green plant evolution, the first members being detected in several streptophyte green alga. The HD2 family has expanded via several rounds of successive duplication; members are expressed in all major green plant clades. Interestingly, angiosperm species express new HD2 genes devoid of a zinc-finger domain, one of the main structural features of HD2s. These variants may have been associated with the origin and/or the biology of the ovule/seed.

KEYWORDS:

1KP project; HD2; type-2 histone deacetylases; zinc finger

PMID:
27789157
DOI:
10.1016/j.tplants.2016.10.001
[Indexed for MEDLINE]

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