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Gill, K.S.

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Gill
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K.S.
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Gill, K.S.
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0000-0001-7370-6184

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Now showing 1 - 6 of 6
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    Capturing wheat phenotypes at the genome level
    (Frontiers Media S.A., 2022) Hussain, B.; Akpınar, B.A.; Alaux, M.; Algharib, A.M.; Sehgal, D.; Ali, Z.; Aradottir, G.I.; Batley, J.; Bellec, A.; Bentley, A.R.; Cagirici, H.B.; Cattivelli, L.; Choulet, F.; Cockram, J.; Desiderio, F.; Devaux, P.; Dogramaci, M.; Dorado, G.; Dreisigacker, S.; Edwards, D.; El Hassouni, K.; Eversole, K.; Fahima, T.; Figueroa, M.; Gálvez, S.; Gill, K.S.; Govta, L.; Gul, A.; Hensel, G.; Hernandez, P.; Crespo Herrera, L.A.; Ibrahim, A.M.H.; Kilian, B.; Korzun, V.; Krugman, T.; Yinghui Li; Shuyu Liu; Mahmoud, A.F.; Morgounov, A.; Muslu, T.; Naseer, F.; Ordon, F.; Paux, E.; Perovic, D.; Reddy, G.V.P.; Reif, J.C.; Reynolds, M.P.; Roychowdhury, R.; Rudd, J.C.; Sen, T.Z.; Sukumaran, S.; Bahar Sogutmaz Ozdemir; Tiwari, V.K.; Ullah, N.; Unver, T.; Yazar, S.; Appels, R.; Budak, H.
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    Wheat genomics and breeding: bridging the gap
    (CABI, 2021) Hussain, B.; Akpınar, B.A.; Alaux, M.; Algharib, A.M.; Sehgal, D.; Ali, Z.; Appels, R.; Aradottir, G.I.; Batley, J.; Bellec, A.; Bentley, A.R.; Cagirici, H.B.; Cattivelli, L.; Choulet, F.; Cockram, J.; Desiderio, F.; Devaux, P.; Dogramaci, M.; Dorado, G.; Dreisigacker, S.; Edwards, D.; El Hassouni, K.; Eversole, K.; Fahima, T.; Figueroa, M.; Gálvez, S.; Gill, K.S.; Govta, L.; Gul, A.; Hensel, G.; Hernandez, P.; Crespo Herrera, L.A.; Ibrahim, A.M.H.; Kilian, B.; Korzun, V.; Krugman, T.; Yinghui Li; Shuyu Liu; Mahmoud, A.F.; Morgounov, A.; Muslu, T.; Naseer, F.; Ordon, F.; Paux, E.; Perovic, D.; Reddy, G.V.P.; Reif, J.C.; Reynolds, M.P.; Roychowdhury, R.; Rudd, J.C.; Sen, T.Z.; Sukumaran, S.; Tiwari, V.K.; Ullah, N.; Unver, T.; Yazar, S.; Budak, H.
    Publication
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    Novel structural and functional motifs in cellulose synthase (CesA) genes of bread wheat (Triticum aestivum, L.)
    (Public Library of Science, 2016) Kaur, S.; Dhugga, K.; Gill, K.S.; Singh, J.
    Cellulose is the primary determinant of mechanical strength in plant tissues. Late-season lodging is inversely related to the amount of cellulose in a unit length of the stem. Wheat is the most widely grown of all the crops globally, yet information on its CesA gene family is limited. We have identified 22 CesA genes from bread wheat, which include homoeologs from each of the three genomes, and named them as TaCesAXA, TaCesAXB or TaCesAXD, where X denotes the gene number and the last suffix stands for the respective genome. Sequence analyses of the CESA proteins from wheat and their orthologs from barley, maize, rice, and several dicot species (Arabidopsis, beet, cotton, poplar, potato, rose gum and soybean) revealed motifs unique to monocots (Poales) or dicots. Novel structural motifs CQIC and SVICEXWFA were identified, which distinguished the CESAs involved in the formation of primary and secondary cell wall (PCW and SCW) in all the species. We also identified several new motifs specific to monocots or dicots. The conserved motifs identified in this study possibly play functional roles specific to PCW or SCW formation. The new insights from this study advance our knowledge about the structure, function and evolution of the CesA family in plants in general and wheat in particular. This information will be useful in improving culm strength to reduce lodging or alter wall composition to improve biofuel production.
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    Genome-Wide Association study reveals novel genes associated with culm cellulose content in bread wheat (Triticum aestivum, L.)
    (Frontiers, 2017) Kaur, S.; Xu Zhang; Mohan, A.; Dong, H.; Vikram, P.; Singh, S.; Zhiwu Zhang; Gill, K.S.; Dhugga, K.; Singh, J.
    Plant cell wall formation is a complex, coordinated and developmentally regulated process. Cellulose is the most dominant constituent of plant cell walls. Because of its paracrystalline structure, cellulose is the main determinant of mechanical strength of plant tissues. As the most abundant polysaccharide on earth, it is also the focus of cellulosic biofuel industry. To reduce culm lodging in wheat and for improved ethanol production, delineation of the variation for stem cellulose content could prove useful. We present results on the analysis of the stem cellulose content of 288 diverse wheat accessions and its genome-wide association study (GWAS). Cellulose concentration ranged from 35 to 52% (w/w). Cellulose content was normally distributed in the accessions around a mean and median of 45% (w/w). Genome-wide marker-trait association study using 21,073 SNPs helped identify nine SNPs that were associated (p < 1E-05) with cellulose content. Four strongly associated (p < 8.17E-05) SNP markers were linked to wheat unigenes, which included β-tubulin, Auxin-induced protein 5NG4, and a putative transmembrane protein of unknown function. These genes may be directly or indirectly involved in the formation of cellulose in wheat culms. GWAS results from this study have the potential for genetic manipulation of cellulose content in bread wheat and other small grain cereals to enhance culm strength and improve biofuel production.
    Publication
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    An integrated approach to maintaining cereal productivity under climate change
    (Elsevier, 2016) Reynolds, M.P.; Quilligan, E.; Bansal, K.C.; Cavalieri, A.J.; Chapman, S.; Chapotin, S.M.; Datta, S.; Duveiller, E.; Gill, K.S.; Jagadish, K.S.V.; Joshi, A.K.; Koehler, A.K.; Kosina, P.; Krishnan, S.; Lafitte, H.R.; Mahala, R.S.; Raveendran, M.; Paterson, A.H.; Prasanna, B.M.; Rakshit, S.; Rosegrant, M.W.; Sharma, I.; Singh, R.P.; Sivasankar, S.; Vadez, V.; Valluru, R.; Prasad, P.V.V.; Yadav, O.P.; Aggarwal, P.K.
    Wheat, rice, maize, pearl millet, and sorghum provide over half of the world's food calories. To maintain global food security, with the added challenge of climate change, there is an increasing need to exploit existing genetic variability and develop cultivars with superior genetic yield potential and stress adaptation. The opportunity to share knowledge between crops and identify priority traits for future research can be exploited to increase breeding impacts and assist in identifying the genetic loci that control adaptation. A more internationally coordinated approach to crop phenotyping and modeling, combined with effective sharing of knowledge, facilities, and data, will boost the cost effectiveness and facilitate genetic gains of all staple crops, with likely spill over to more neglected crops.
    Publication
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    Review of the CIMMYT International Winter/Facultative Wheat Program and its relationship with National Agricultural Research Systems (NARSs)
    (CIMMYT, 1990) Everson, E.; Wang, H.L.; Gill, K.S.; Suzen, B.; Rajaram, S.
    The International Maize and Wheat Improvement Center (CIMMYT) has had a long association with the wheat research institutions in Turkey. In 1971, CIMMYT became directly involved with Turkey's winter wheat improvement program through its association with the Rockefeller Foundation/Government of Turkey (GOT) wheat research program. This association resulted in new germplasm introductions to Turkey and the initiation of a large scale training program. In December 1980, the GOT and CIMMYT signed an agreement on wheat research activities in Turkey. This was followed by an agreement in March 1984 which posted a CIMMYT staff member in Turkey to assist the National Wheat Research Program. In 1986, the GOT and CIMMYf initiated a joint venture, an "International Approach to Winter Wheat Research." This cooperative international winter wheat research effort was jointly coordinated by the Turkish national wheat research program and CIMMYT and was implemented under the existing bilateral agreement between the GOT and CIMMYT. The purpose was to develop broadly adapted, high-yielding winter wheat gennplasm for the extensive winter and facultative wheat growing areas of the world. At the onset of this joint international winter wheat research effort, a 5-year review of progress was envisioned. However, several events have prompted an earlier review: The signing of a bilateral agreement between the International Center for Agricultural Research in Dry Areas (ICARDA) and the GOT. The signing of an agreement between CIMMYf and ICARDA. The departure of Dr. E.E. Saari, the CIMMYT team leader in Turkey. In a memorandum to the review team, R.A. Fischer, Director of the CIMMYT Wheat Program, listed the issues for the June 1990 review of CIMMYT' s Winter Wheat Program. He requested the team to review the achievements of the initiative in light of the objective stated above.
    Publication