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Sökning: WFRF:(Houben Andreas) > (2015-2019) > Rye B chromosomes e...

Rye B chromosomes encode a functional Argonaute-like proteinwith in vitro slicer activities similar to its A chromosome paralog

Ma, Wei (författare)
Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Gatersleben, Corrensstrasse 3, 06466 Stadt Seeland, Germany;
Gabriel, Tobias Sebastian (författare)
Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Gatersleben, Corrensstrasse 3, 06466 Stadt Seeland, Germany;
Martis, Mihaela-Maria, 1979- (författare)
Linköpings universitet,Avdelningen för cellbiologi,Medicinska fakulteten,Institute of Bioinformatics and Systems Biology/Munich Information Center for Protein Sequences, Helmholtz Center Munich, German Research Center for Environmental Health, 85764 Neuherberg, Germany
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Gursinsky, Torsten (författare)
Institute of Biochemistry and Biotechnology, Section Microbial Biotechnology, Faculty of Life Sciences, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3, 06120 Halle/Saale, Germany
Schubert, Veit (författare)
Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Gatersleben, Corrensstrasse 3, 06466 Stadt Seeland, Germany;
Vrana, Jan (författare)
Institute of Experimental Botany, Center of the Region Hana for Biotechnological and Agricultural Research, Slechtitelu 31, 78371 Olomouc, Czech Republic
Dolezel, Jaroslav (författare)
Institute of Experimental Botany, Center of the Region Hana for Biotechnological and Agricultural Research, Slechtitelu 31, 78371 Olomouc, Czech Republic
Gundlach, Heidrun (författare)
Institute of Bioinformatics and Systems Biology/Munich Information Center for Protein Sequences, Helmholtz Center Munich, German Research Center for Environmental Health, 85764 Neuherberg, Germany
Altschmied, Lothar (författare)
Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Gatersleben, Corrensstrasse 3, 06466 Stadt Seeland, Germany;
Scholz, Uwe (författare)
Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Gatersleben, Corrensstrasse 3, 06466 Stadt Seeland, Germany;
Himmelbach, Axel (författare)
Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Gatersleben, Corrensstrasse 3, 06466 Stadt Seeland, Germany;
Behrens, Sven-Erik (författare)
Institute of Biochemistry and Biotechnology, Section Microbial Biotechnology, Faculty of Life Sciences, Martin Luther University Halle-Wittenberg, Kurt-Mothes-Str. 3, 06120 Halle/Saale, Germany
Banaei-Moghaddam, Ali Mohammad (författare)
Department of Biochemistry, Institute of Biochemistry and Biophysics (IBB), University of Tehran, PO Box 13145-1384 Tehran, Iran
Houben, Andreas (författare)
Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Gatersleben, Corrensstrasse 3, 06466 Stadt Seeland, Germany;
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 (creator_code:org_t)
2016-07-28
2017
Engelska.
Ingår i: New Phytologist. - : Wiley-Blackwell. - 0028-646X .- 1469-8137. ; 213:2, s. 904-916
Relaterad länk:
https://urn.kb.se/re...
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https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • B chromosomes (Bs) are supernumerary, dispensable parts of the nuclear genome, whichappear in many different species of eukaryote. So far, Bs have been considered to be geneti-cally inert elements without any functional genes.Our comparative transcriptome analysis and the detection of active RNA polymerase II(RNAPII) in the proximity of B chromatin demonstrate that the Bs of rye (Secale cereale) con-tribute to the transcriptome. In total, 1954 and 1218 B-derived transcripts with an open read-ing frame were expressed in generative and vegetative tissues, respectively. In addition to B-derived transposable element transcripts, a high percentage of short transcripts withoutdetectable similarity to known proteins and gene fragments from A chromosomes (As) werefound, suggesting an ongoing gene erosion process.In vitro analysis of the A- and B-encoded AGO4B protein variants demonstrated that bothpossess RNA slicer activity. These data demonstrate unambiguously the presence of a func-tional AGO4B gene on Bs and that these Bs carry both functional protein coding genes andpseudogene copies.Thus, B-encoded genes may provide an additional level of gene control and complexity incombination with their related A-located genes. Hence, physiological effects, associated withthe presence of Bs, may partly be explained by the activity of B-located (pseudo)genes.

Ämnesord

NATURVETENSKAP  -- Biologi -- Genetik (hsv//swe)
NATURAL SCIENCES  -- Biological Sciences -- Genetics (hsv//eng)

Nyckelord

Argonaute
B chromosomes
B-located genes
gene erosion. gene expression
pseudogenization
Secale cereale

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