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The power of SNP markers to accelerate crop improvement,and the benefits of using KASP genotyping at key stages throughout crop breeding and development programs

The power of SNP markers to accelerate crop improvement,and ...

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第一届全国玉米生物学学术研讨会

作者： darshna vyas Plant Genetics Specialist LGC GenomicsUnit 1-2 Trident Industrial Estate

We will present recently published research from CIMMYT as a case study to illustrate how LGC offers genomic solutions including plant sampling,DNA extraction and KASP genotyping to accelerate and enable maize genetic...

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Biotechnological interventions for the sustainable management of a global pest,whitefly(Bemisia tabaci)

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Insect Science 2021年第5期28卷 1228-1252页

作者： Archna Suhag Honey Yadav darshna Chaudhary S.Subramanian Ranjana Jaiwal Pawan K.Jaiwal Department of Zoology M.D.UniversityRohtakIndia Centre for Biotechnology M.D.UniversityRohtakIndia Division of Entomology Indian Agriculture Research InstituteNew DelhiIndia

Whiteflies(Bemisia tabaci)are polyphagous invasive hemipteran insects that cause serious losses of important crops by directly feeding on phloem sap and transmitting pathogenic *** insects have emerged as a major threat to global agriculture and food *** synthesized insecticides are currently the only option to control whiteflies,but the ability of whiteflies to evolve resistance against insecticides has made the management of these insects very *** host-plant resistance against whiteflies identified in some crop plants has not been exploited to a great *** engineering approaches,such as transgenics and RNA interference(RNAi),are potentially useful for the control of *** plants harboring insecticidal toxins/lectins developed via nuclear or chloroplast transformation are a promising vehicle for whitefly ***-stranded RNAs(dsRNAs)of several insect genes,delivered either through microinjection into the insect body cavity or orally via an artificial diet and transiently or stably expressed in transgenic plants,have controlled whiteflies in model plants and in some crops at the laboratory level,but not at the field *** this review,we highlight the merits and demerits of each delivery method along with strategies for sustained delivery of dsRNAs via fungal entomopathogen/endosymbiont or nontransgenic RNAi approaches,foliar sprays,root absorption or nanocarriers as well as the factors affecting efficient RNAi and their biosafety *** sequencing and transcriptome studies of whitefly species are facilitating the selection of appropriate genes for RNAi and gene-editing technology for the efficient and resilient management of whiteflies and their transmitted viruses.

关键词： Bemisia tabaci.,gene editing management nanotechnology RNAi transgenesis

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