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HERO ID
8729527
Reference Type
Journal Article
Subtype
Review
Title
Genetic contributions to agricultural sustainability
Author(s)
Dennis, ES; Ellis, J; Green, A; Llewellyn, D; Morell, M; Tabe, L; Peacock, WJ
Year
2008
Is Peer Reviewed?
1
Journal
Philosophical Transactions of the Royal Society of London. B: Biological Sciences
ISSN:
0962-8436
EISSN:
1471-2970
Volume
363
Issue
1491
Page Numbers
591-609
Language
English
PMID
17656342
DOI
10.1098/rstb.2007.2172
Abstract
The current tools of enquiry into the structure and operation of the plant genome have provided us with an understanding of plant development and function far beyond the state of knowledge that we had previously. We know about key genetic controls repressing or stimulating the cascades of gene expression that move a plant through stages in its life cycle, facilitating the morphogenesis of vegetative and reproductive tissues and organs. The new technologies are enabling the identification of key gene activity responses to the range of biotic and abiotic challenges experienced by plants. In the past, plant breeders produced new varieties with changes in the phases of development, modifications of plant architecture and improved levels of tolerance and resistance to environmental and biotic challenges by identifying the required phenotypes in a few plants among the large numbers of plants in a breeding population. Now our increased knowledge and powerful gene sequence-based diagnostics provide plant breeders with more precise selection objectives and assays to operate in rationally planned crop improvement programmes. We can expect yield potential to increase and harvested product quality portfolios to better fit an increasing diversity of market requirements. The new genetics will connect agriculture to sectors beyond the food, feed and fibre industries; agri-business will contribute to public health and will provide high-value products to the pharmaceutical industry as well as to industries previously based on petroleum feedstocks and chemical modification processes.
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