Awais Khan

ORCID: 0000-0002-0424-7727
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Research Areas
  • Plant Physiology and Cultivation Studies
  • Plant Pathogens and Fungal Diseases
  • Plant Reproductive Biology
  • Plant Pathogenic Bacteria Studies
  • Plant Disease Resistance and Genetics
  • Plant-Microbe Interactions and Immunity
  • Plant Pathogens and Resistance
  • Horticultural and Viticultural Research
  • Plant pathogens and resistance mechanisms
  • Fungal Plant Pathogen Control
  • Plant and animal studies
  • Chromosomal and Genetic Variations
  • Plant Virus Research Studies
  • Cocoa and Sweet Potato Agronomy
  • Potato Plant Research
  • Insect-Plant Interactions and Control
  • Banana Cultivation and Research
  • Postharvest Quality and Shelf Life Management
  • Genetic Mapping and Diversity in Plants and Animals
  • Genetics and Plant Breeding
  • Legume Nitrogen Fixing Symbiosis
  • Plant nutrient uptake and metabolism
  • Genomics and Phylogenetic Studies
  • Plant biochemistry and biosynthesis
  • Plant Gene Expression Analysis

Cornell University
2017-2025

Plant (United States)
2017-2025

Beijing Institute of Technology
2025

Zhuhai Institute of Advanced Technology
2025

International Potato Center
2015-2024

Soonchunhyang University
2024

Hazara University
2024

Ming Chi University of Technology
2024

New York State College of Agriculture & Life Sciences
2023

Salk Institute for Biological Studies
2019

Abstract Domestication of the apple was mainly driven by interspecific hybridization. In present study, we report haplotype-resolved genomes cultivated ( Malus domestica cv. Gala) and its two major wild progenitors, M. sieversii sylvestris . Substantial variations are identified between haplotypes each genome. Inference genome ancestry identifies ~23% Gala as hybrid origin. Deep sequencing 91 accessions selective sweeps in apples that originated from either progenitors associated with...

10.1038/s41588-020-00723-9 article EN cc-by Nature Genetics 2020-11-02

Sweetpotato [Ipomoea batatas (L.) Lam.] is a globally important staple food crop, especially for sub-Saharan Africa. Agronomic improvement of sweetpotato has lagged behind other major crops due to lack genomic and genetic resources inherent challenges in breeding heterozygous, clonally propagated polyploid. Here, we report the genome sequences its two diploid relatives, I. trifida triloba, show that these high-quality assemblies are robust references hexaploid sweetpotato. Comparative...

10.1038/s41467-018-06983-8 article EN cc-by Nature Communications 2018-10-29

Premise Apple orchards in the United States are under constant threat from a large number of pathogens and insects. Appropriate timely deployment disease management depends on early detection. Incorrect delayed diagnosis can result either excessive or inadequate use chemicals, with increased production costs environmental health impacts. Methods Results We have manually captured 3651 high‐quality, real‐life symptom images multiple apple foliar diseases, variable illumination, angles,...

10.1002/aps3.11390 article EN cc-by Applications in Plant Sciences 2020-09-01

Summary We present the first worldwide study on apple ( Malus × domestica) fruit microbiome that examines questions regarding composition and assembly of microbial communities in fruit. Results revealed structure fungal bacterial associated with vary are highly dependent geographical location. The also confirmed spatial variation different tissues exists at a global level. Fungal diversity varied significantly harvested locations suggests potential link between location type rate postharvest...

10.1111/1462-2920.15469 article EN cc-by Environmental Microbiology 2021-03-18

β-Carotene content in sweetpotato is associated with the Orange and phytoene synthase genes; due to physical linkage of sucrose synthase, β-carotene starch are negatively correlated. In populations depending on for food security, an important source calories, while provitamin A. The negative association between two traits contributes low nutritional quality consumed, especially sub-Saharan Africa. Using a biparental mapping population 315 F

10.1007/s00122-019-03437-7 article EN cc-by Theoretical and Applied Genetics 2019-10-08

Abstract Pear, belonging to the genus Pyrus, is one of most economically important temperate fruit crops. Pyrus an Rosaceae family, subfamily Maloideae, and has at least 22 different species with over 5000 accessions maintained or identified worldwide. With release draft whole-genome sequences for opportunities pursuing studies on evolution, domestication, molecular breeding pear, as well conducting comparative genomics analyses within have been greatly expanded. In this review, we highlight...

10.1093/hr/uhab040 article EN cc-by Horticulture Research 2022-01-01

In developing countries, the sweetpotato, Ipomoea batatas (L.) Lam. [Formula: see text], is an important autopolyploid species, both socially and economically. However, quantitative trait loci (QTL) mapping has remained limited due to its genetic complexity. Current fixed-effect models can fit only a single QTL are generally hard interpret. Here, we report use of random-effect model approach map multiple based on score statistics in sweetpotato biparental population ('Beauregard' ×...

10.1534/genetics.120.303080 article EN cc-by Genetics 2020-05-06

Summary Pear ( Pyrus ; 2 n = 34), the third most important temperate fruit crop, has great nutritional and economic value. Despite availability of many genomic resources in pear, it is challenging to genotype novel germplasm breeding progeny a timely cost‐effective manner. Genotyping arrays can provide fast, efficient high‐throughput genetic characterization diverse germplasm, mapping populations. We present here 200K AXIOM ® Pyr SNP , large‐scale single nucleotide polymorphism ) genotyping...

10.1111/pbi.13085 article EN cc-by Plant Biotechnology Journal 2019-01-29

Drought stress caused by unpredictable precipitation poses a major threat to food production worldwide, and its impact is only expected increase with the further onset of climate change. Understanding effect drought on crops plants' response critical for developing improved varieties stable high yield fill growing gap from an increasing population depending decreasing land water resources. When plant encounters stress, it may use multiple types, environmental conditions, intensity duration,...

10.2174/1389202917999160211101417 article EN Current Genomics 2016-06-07

10.1109/icce63647.2025.10930037 article EN 2023 IEEE International Conference on Consumer Electronics (ICCE) 2025-01-11

ABSTRACT The phytopathogenic bacterium Erwinia amylovora is responsible for causing fire blight, a devastating disease affecting rosaceous plants, including apples and pears. E. strains exhibit differences in virulence depending on the genetic resistance status of host environmental factors. While variations among are known to contribute their diversity, range biology, impact large chromosomal rearrangements key bacterial phenotypes like aggressiveness understudied. In order investigate...

10.1111/ppa.14095 article EN Plant Pathology 2025-03-24

Apple scab, caused by Venturia inaequalis, is a destructive fungal disease of major apple cultivars worldwide, most which are moderately to highly susceptible. Thus, development scab resistant one the highest priorities breeding programs. The principal source resistance for programs has been gene Rvi6 that originated from Japanese crabapple Malus floribunda (Sieb.) sel. 821. Isolates V. inaequalis able overcome have identified in Europe, but not yet reported on American continents. We...

10.1094/pdis-10-19-2082-re article EN other-oa Plant Disease 2019-12-04

Abstract Background Breeding for resistance to apple scab (caused by Venturia inaequalis ), the most devastating fungal disease of apples, relies on genetic resources maintained in germplasm collections. Methods To identify new sources resistance, we evaluated 177 Malus accessions, including 27 primary and 13 hybrid species from diverse geographical origins, an orchard at Geneva, New York. We also screened a differential host set 2 years monitor changes effectiveness ten known genes, which...

10.1186/s43170-020-00017-4 article EN cc-by CABI Agriculture and Bioscience 2020-10-28

The apple cultivar 'Honeycrisp' has superior fruit quality traits, cold hardiness, and disease resistance, making it a popular breeding parent. However, suffers from several physiological disorders, production, postharvest issues. Despite available genome sequences, understanding of the genetic mechanisms underlying cultivar-specific traits remains lacking. Here, we present highly contiguous, fully phased, chromosome-level apples, using PacBio HiFi, Omni-C, Illumina sequencing platforms,...

10.46471/gigabyte.69 article EN cc-by Gigabyte 2022-09-19

The SnRKs (sucrose non-fermenting 1 related protein kinase) are a gene family coding for Ser/Thr kinases and play important roles in linking the tolerance metabolic responses of plants to abiotic stresses. To date, no genome-wide characterization sucrose non-ferment kinase 2 (SnRK2) subfamily has been conducted potato (Solanum tuberosum L.).In this study, eight StSnRK2 genes (StSnRK2.1- StSnRK2.8) were identified genome L.) cultivar 'Longshu 3', with similar characteristics SnRK2 from other...

10.1186/s12863-017-0506-6 article EN cc-by BMC Genomic Data 2017-05-15

An unusual decline and collapse of young established trees known as "rapid apple decline" (RAD) has become a major concern for growers, particularly in the northeastern United States. This is characterized by stunted growth, pale yellow to reddish leaves, tree within weeks after onset symptoms. We studied declining identify potential involvement abiotic biotic stresses. used 16S ITS profile bacterial fungal communities soil, rhizosphere, roots, shoots tested presence six viruses scions...

10.1371/journal.pone.0213293 article EN cc-by PLoS ONE 2019-03-06

Pear (Pyrus spp.) is one of the most common fruit crops grown in temperate regions worldwide. Genetic enhancement quality a fundamental goal pear breeding programs. The genetic control traits highly quantitative, and development high-density maps can facilitate fine-mapping quantitative trait loci (QTLs) gene identification. Bin-mapping powerful method constructing high-resolution from large-scale genotyping datasets. We performed whole-genome sequencing cultivars 'Niitaka' 'Hongxiangsu'...

10.1093/hr/uhac141 article EN cc-by Horticulture Research 2022-01-01
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