QTL Study to Reveal Soybean Response on Abiotic and Biotic Stresses

Puji Lestari, Sutrisno Sutrisno, I Made Tasma

Abstract


As an important grain legume, the improved soybean
(Glycine max [L.] Merr.) adaptive to environmental changes
is a valuable genetic resource. Strategy to minimize the
impact of climate effects should be underlined on soybean
production encompassing advanced genomics and well
predicted future climate. Crops including soybean respond
to climate change in the aspect of abiotic and biotic
environmental factors. To predict soybean response to
abiotic and biotic stresses, current progress of quantitative
trait loci (QTL) for abiotic and biotic stresses and flowering
and related genomic resources could be accessed at
SoyBase (http://www.soybase.org) and Phytozome
(http://www.phytozome.net). As the involvement of abiotic
and biotic stresses modulating flowering in soybean, genes
linked to QTL for abiotic/biotic stress and flowering/maturity
were also potential for resisting the environmental changes.
By mapping QTLs for flowering using one population in
different locations (Korea and China) with distinctive
longitude, latitude, and altitude, syntenic correlation
between these two QTLs on soybean chromosomes 6 and
13 indicates the environmental specific role of syntenic
regions. The information on QTL and related candidate
genes may assist marker-assisted breeding and enact
soybean as a model of adaptive legume crop under abiotic/
biotic stress.


Keywords


Abiotic stress; biotic stress; climate change; QTL; soybean.

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DOI: http://dx.doi.org/10.21082/jbio.v10n3.2014.p109-114

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P-ISSN : 1907-1094
E-ISSN : 2549-1547


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