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Amri, A.

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Amri
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Amri, A.
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Author: Wenzl, P. ×

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Now showing 1 - 4 of 4
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    State of ex situ conservation of landrace groups of 25 major crops
    (Nature Publishing Group, 2022) Ramirez-Villegas, J.; Khoury, C.K.; Achicanoy, H.; Diaz, M.V.; Mendez, A.C.; Sosa, C.C.; Kehel, Z.; Guarino, L.; Abberton, M.; Aunario, J.; Awar, B.A.; Alarcon, J.C.; Amri, A.; Anglin, N.L.; Azevedo, V.; Aziz, K.; Capilit, G.L.; Chavez, O.; Chebotarov, D.; Costich, D.E.; Debouck, D.; Ellis, D.; Falalou, H.; Fiu, A.; Ghanem, M.E.; Giovannini, P.; Goungoulou, A.J.; Gueye, B.; Hobyb, A.I.E.; Jamnadass, R.; Jones, C.S.; Kpeki, B.; Lee, J.S.; McNally, K.; Muchugi, A.; Ndjiondjop, M.N.; Oyatomi, O.; Payne, T.S.; Ramachandran, S.; Rossel, G.; Roux, N.; Ruas, M.; Sansaloni, C.; Sardos, J.; Setiyono, T.; Tchamba, M.; van den Houwe, I.; Velazquez, J.A.; Venuprasad, R.; Wenzl, P.; Yazbek, M.; Zavala Espinosa, C.
    Publication
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    Diversity analysis of 80,000 wheat accessions reveals consequences and opportunities of selection footprints
    (Nature Publishing Group, 2020) Sansaloni, C.; Franco, J.; Santos, B.; Percival-Alwyn, L.; Singh, S.; Petroli, C.; Campos, J.; Dreher, K.; Payne, T.S.; Marshall, D.S.; Kilian, B.; Milne, I.; Raubach, S.; Shaw, P.D.; Stephen, G.; Carling, J.; Saint Pierre, C.; Burgueño, J.; Crossa, J.; Huihui Li; Guzman, C.; Kehel, Z.; Amri, A.; Kilian, A.; Wenzl, P.; Uauy, C.; Banziger, M.; Caccamo, M.; Pixley, K.V.
    Publication
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    CGIAR Operations under the Plant Treaty Framework
    (Crop Science Society of America (CSSA), 2019) Lopez Noriega, I.; Halewood, M.; Abberton, M.; Amri, A.; Angarawai, I.I.; Anglin, N.L.; Blummel, M.; Bouman, B.; Campos, H.; Costich, D.E.; Ellis, D.; Gaur, P.; Guarino, L.; Hanson, J.; Kommerell, V.; Kumar, P.L.; Lusty, C.; Ndjiondjop, M.N.; Payne, T.S.; Peters, M.; Popova, E.; Prakash, G.; Sackville Hamilton, N.R.; Tabo, R.; Upadhyaya, H.D.; Yazbek, M.; Wenzl, P.
    The history of CGIAR and the development and implementation of the International Treaty on Plant Genetic Resources for Food and Agriculture ("Plant Treaty") are closely intertwined. In accordance with the agreements that 11 CGIAR centers signed with the Plant Treaty's Governing Body under Article 15 of the treaty, >730,000 accessions of crop, tree, and forage germplasm conserved in CGIAR genebanks are made available under the terms and conditions of the multilateral system of access and benefit sharing, and the CGIAR centers have transferred almost 4 million samples of plant genetic resources under the system. Many activities of CGIAR centers and their genebanks (e.g., crop enhancement, improved agronomic methods, seed system strengthening, and capacity building) are influenced by, and promote, the Plant Treaty's objectives. The continued existence and optimal functioning of the Plant Treaty's multilateral system of access and benefit sharing is critically important to CGIAR in the pursuit of its mission. However, the multilateral system has encountered some challenges since the Plant Treaty came into force. The successful conclusion of the ongoing process for enhancing the functioning of the multilateral system could increase monetary benefit sharing and incentives for exchanging more germplasm. In the meantime, increased efforts are necessary to promote nonmonetary benefit sharing through partnerships, technology transfer, information exchange, and capacity building. These efforts should be integrated into countries' and organizations' work to implement the Plant Treaty's provisions on conservation and sustainable use of plant genetic resources, and farmers' rights.
    Publication
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    Exploring and mobilizing the Gene Bank Biodiversity for wheat improvement
    (Public Library of Science, 2015) Sehgal, D.; Vikram, P.; Sansaloni, C.; Ortiz, C.; Saint Pierre, C.; Payne, T.S.; Ellis, M.H.; Amri, A.; Petroli, C.; Wenzl, P.; Singh, S.
    Identifying and mobilizing useful genetic variation from germplasm banks to breeding programs is an important strategy for sustaining crop genetic improvement. The molecular diversity of 1,423 spring bread wheat accessions representing major global production environments was investigated using high quality genotyping-by-sequencing (GBS) loci, and gene-based markers for various adaptive and quality traits. Mean diversity index (DI) estimates revealed synthetic hexaploids to be genetically more diverse (DI= 0.284) than elites (DI = 0.267) and landraces (DI = 0.245). GBS markers discovered thousands of new SNP variations in the landraces which were well known to be adapted to drought (1273 novel GBS SNPs) and heat (4473 novel GBS SNPs) stress environments. This may open new avenues for pre-breeding by enriching the elite germplasm with novel alleles for drought and heat tolerance. Furthermore, new allelic variation for vernalization and glutenin genes was also identified from 47 landraces originating from Iraq, Iran, India, Afghanistan, Pakistan, Uzbekistan and Turkmenistan. The information generated in the study has been utilized to select 200 diverse gene bank accessions to harness their potential in pre-breeding and for allele mining of candidate genes for drought and heat stress tolerance, thus channeling novel variation into breeding pipelines. This research is part of CIMMYT’s ongoing ‘Seeds of Discovery’ project visioning towards the development of high yielding wheat varieties that address future challenges from climate change.
    Publication