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Rye B chromosomes e...
Rye B chromosomes encode a functional Argonaute-like proteinwith in vitro slicer activities similar to its A chromosome paralog
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- Ma, Wei (författare)
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Gatersleben, Corrensstrasse 3, 06466 Stadt Seeland, Germany;
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- Gabriel, Tobias Sebastian (författare)
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Gatersleben, Corrensstrasse 3, 06466 Stadt Seeland, Germany;
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- 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
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- Schubert, Veit (författare)
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Gatersleben, Corrensstrasse 3, 06466 Stadt Seeland, Germany;
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- Vrana, Jan (författare)
- Institute of Experimental Botany, Center of the Region Hana for Biotechnological and Agricultural Research, Slechtitelu 31, 78371 Olomouc, Czech Republic
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- Dolezel, Jaroslav (författare)
- Institute of Experimental Botany, Center of the Region Hana for Biotechnological and Agricultural Research, Slechtitelu 31, 78371 Olomouc, Czech Republic
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- 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
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- Altschmied, Lothar (författare)
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Gatersleben, Corrensstrasse 3, 06466 Stadt Seeland, Germany;
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- Scholz, Uwe (författare)
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Gatersleben, Corrensstrasse 3, 06466 Stadt Seeland, Germany;
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- Himmelbach, Axel (författare)
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK) Gatersleben, Corrensstrasse 3, 06466 Stadt Seeland, Germany;
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- 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
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- Banaei-Moghaddam, Ali Mohammad (författare)
- Department of Biochemistry, Institute of Biochemistry and Biophysics (IBB), University of Tehran, PO Box 13145-1384 Tehran, Iran
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- 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.
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Ingår i: New Phytologist. - : Wiley-Blackwell. - 0028-646X .- 1469-8137. ; 213:2, s. 904-916
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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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
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Ma, Wei
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Gabriel, Tobias ...
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Martis, Mihaela- ...
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Gursinsky, Torst ...
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Schubert, Veit
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Vrana, Jan
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Dolezel, Jarosla ...
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Gundlach, Heidru ...
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Altschmied, Loth ...
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Scholz, Uwe
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Himmelbach, Axel
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Behrens, Sven-Er ...
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Banaei-Moghaddam ...
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Houben, Andreas
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