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        <dc:title>Utilizing genomic resources for understanding the stay-green QTLs interactions in Sorghum</dc:title>
        <dc:creator>Manasa, K G</dc:creator>
        <dc:creator>Deshpande, S P</dc:creator>
        <dc:subject>Sorghum</dc:subject>
        <dc:subject>Genetics and Genomics</dc:subject>
        <dc:description>Sorghum [Sorghum bicolor (L.) Moench] is a fifth most important&#13;
cereal crop in the world providing food, fodder/forage&#13;
and bio-fuel. The postrainy sorghum crop in India is grown on&#13;
residual moisture and inadvertently faces terminal drought.&#13;
“Stay-green” (delayed senescence) is a post-flowering drought&#13;
tolerance response, which help plants to maintain photosynthetically&#13;
active leaf area and continue to fill their grains normally&#13;
under stress. Sorghum crop is referred to express functional type of staygreen&#13;
and the trait has been mapped to six major QTLs viz.,&#13;
Stg1, Stg2, Stg3A, Stg3B, StgC and Stg4. However, the gap in&#13;
understanding the key mechanism has not been deciphered&#13;
clearly. In this scenario to understand the actual mechanism&#13;
of the stay-green pathway the information from different crops&#13;
on candidate genes responsible for stay-green phenotype&#13;
were considered viz., STAY-GREEN (SGR) along with one or&#13;
two homologous (SGR1or NYE1/SGRL); Pheophytin Pheophorbide&#13;
Hydrolase (PPH); Pheophorbide a Oxygenase (PAO); Red&#13;
Chlorophyll Catabolite Reductase (RCCR); Non-Yellow Coloring&#13;
(NYC) and it’s homologous NYC1-Like (NOL); 7-Hydroxymethyl&#13;
Chlorophyll a Reductase (HCAR) from Zea mays, Arabidopsis&#13;
thaliana and Orzya sativa. Apart from these, senescence associated&#13;
genes SAG2, SAG102 and SAG39 were also considered&#13;
from Arabidopsis thaliana and Orzya sativa respectively. The sequence&#13;
and functional/annotation information for these genes&#13;
retrieved for sequence similarity search and it has revealed 45 to&#13;
88 % of similarity in sorghum. The mapping of these candidate&#13;
gene sequences within the defined QTL regions contributing for&#13;
Stay-green has given an insight to utilize the re-sequencing data&#13;
for improved drought tolerance in sorghum.</dc:description>
        <dc:date>2017-02</dc:date>
        <dc:type>Conference or Workshop Item</dc:type>
        <dc:type>PeerReviewed</dc:type>
        <dc:format>application/pdf</dc:format>
        <dc:language>en</dc:language>
        <dc:identifier>http://oar.icrisat.org/10723/1/292.pdf</dc:identifier>
        <dc:identifier>  Manasa, K G and Deshpande, S P  (2017) Utilizing genomic resources for understanding the stay-green QTLs interactions in Sorghum.  In: InterDrought-V, February 21-25, 2017, Hyderabad, India.     </dc:identifier></oai_dc:dc>
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