Journal
SEMINARS IN CELL & DEVELOPMENTAL BIOLOGY
Volume 19, Issue 6, Pages 574-579Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.semcdb.2008.07.018
Keywords
Genomic imprinting; Endosperm; Reproductive barrier; Apomixis
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Funding
- Ministry of Agriculture, Forestry and Fisheries of Japan
- Ministry of Education, Culture, Sports, Science, and Technology of Japan [18075010]
- [IPG0017]
- Grants-in-Aid for Scientific Research [18075010] Funding Source: KAKEN
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Maternally and paternally derived chromosomes might be expected to contribute equally to the various cellular and developmental processes in placental mammals and flowering plants. However, this is not true even in the case of the self-pollinated plant, Arabidopsis, which has identical DNA sequences in both parental genomes. The reason for this is that some genes, called imprinted genes, are expressed exclusively from paternally or maternally inherited chromosomes. As a result, parental chromosomes express a distinct set of genes and play different roles in biological processes. Here, we review and compare roles of genomic imprinting in flowering plants and placental mammals. (c) 2008 Elsevier Ltd. All rights reserved.
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