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Retinoblastoma makes its mark on imprinting in plants
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Costa, Liliana M. and Gutierrez-Marcos, José F. (2008) Retinoblastoma makes its mark on imprinting in plants. Plos Biology, Vol.6 (No.8). pp. 1631-1633. doi:10.1371/journal.pbio.0060212
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Official URL: http://dx.doi.org/10.1371/journal.pbio.0060212
Abstract
Genomic imprinting results in the preferential
expression of alleles from either the maternal or
paternal chromosomes. This epigenetic process
occurs in embryonic and extra-embryonic (placental) tissues
of mammals, but only in the extra-embryonic tissue (the
endosperm) of flowering plant seeds. It is thought that
imprinting arose to ensure that both maternal and paternal
genomes contribute to the development of the offspring [1].
Indeed, the predominant occurrence of imprinting in extraembryonic
structures might indicate a similar reproductive
strategy in both taxa to correctly regulate embryo growth
and development. Because extra-embryonic lineages do not
contribute any genetic information to the offspring, it is
likely that epigenetic mechanisms responsible for imprinting
could evolve rapidly [2,3], without causing deleterious
consequences to the offspring.
Item Type: | Journal Item | ||||
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Subjects: | Q Science > QK Botany | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | ||||
Library of Congress Subject Headings (LCSH): | Retinoblastoma, Genomic imprinting, Plant genetics | ||||
Journal or Publication Title: | Plos Biology | ||||
Publisher: | Public Library of Science | ||||
ISSN: | 1544-9173 | ||||
Official Date: | August 2008 | ||||
Dates: |
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Volume: | Vol.6 | ||||
Number: | No.8 | ||||
Number of Pages: | 3 | ||||
Page Range: | pp. 1631-1633 | ||||
DOI: | 10.1371/journal.pbio.0060212 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Open Access (Creative Commons) | ||||
Date of first compliant deposit: | 14 December 2015 | ||||
Date of first compliant Open Access: | 14 December 2015 |
Data sourced from Thomson Reuters' Web of Knowledge
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