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Mohammad Rashed Hossain,Mostari Jahan Ferdous,Jong-In Park,Arif Hasan Khan Robin,Sathishkumar Natarajan,Hee-Jeong Jung,Hoy-Taek Kim,Ill-Sup Nou 한국원예학회 2020 Horticulture, Environment, and Biotechnology Vol.61 No.5
Blackleg disease, caused by Leptosphaeria maculans, greatly aff ects the production of cabbage ( Brassica oleracea ). However,defi nitive R-gene(s) are yet to be identifi ed in this crop. In contrast, a number of R-loci have been identifi ed in A- orB-genome crops. Identifi cation of few resistant cabbage genotypes indicates the presence of R-genes in this C-genome crop. High ancestral synteny between Brassica genomes suggests that the collinear regions of known A- or B-genome R-loci mayalso contain functional R-genes in the C-genome. Strong resistance was observed in the cotyledons of cabbage inbred lineSCNU-98 against two L. maculans isolates, 03–02 s and 00–100 s. We investigated the collinear region of the Brassica napusblackleg resistance locus LepR2’ in B. oleracea since both isolates of L. maculans contain corresponding avirulence genes. The locus was collinear to a 5.8 Mbp genomic segment of B. oleracea chromosome C09 containing 13 genes that have putativedisease resistance-related domains. High expression of genes Bo9g117290 and Bo9g111510 against isolate 00–100 s,and high expression of genes Bo9g126150 and Bo9g111490 against both isolates in the resistant-line SCNU-98 indicatetheir putative roles in blackleg resistance, which remained to be functionally verifi ed. This work enhances our understandingof R-gene-mediated resistance to blackleg in cabbage.
Seroprevalence of brucellosis in small ruminants in selected area of Bangladash
( Mohammad Jasim Uddin ),( Md Siddiqur Rahman ),( Sayeda Hasina Akter ),( Mohammad Arif Hossain ),( Md Taohidul Islam ),( Md Ariful Islam ),( Jin Ho Park ),( Hee Jong Song ) 한국동물위생학회 2007 한국동물위생학회지 (KOJVS) Vol.30 No.4
A seroprevalence study of small ruminant brucellosis was conducted in sheep and goat rearing selected areas of Mymensingh district and Dhaka district, Bangladesh, from March, 2005 to May, 2006. Sera from 62 sheep and 300 goats were tested by rose bengal plate test(RBPT), plate agglutination test(PAT), tube agglutination test(TAT) and mercaptoethanol test(MET). Out of the 62 sera tested 3.25%(n=2) were positive to RBT, PAT and TAT and 4.84%(n=3) were positive MET. In case of 300 goats, 1.67%(n=5) were positive to RBT and PAT, 2%(n=6) were positive to TAT and 2.33%(n=7) were positive to MET. This investigation is the first of its type to be performed in small ruminants in Bangladesh. Higher prevalence rate(8.0%) was found in BAU nutrition farm in case of sheep and 10% in Bangladesh Agri-cultural University(BAU) Veterinary Clinic in case of goat while lower prevalence (0.0%) was recorded in Pharmacology project and BAU adjacent villages in case of sheep and(0.0%) in Dhamrai upazila in case of goats respectively. Brucella antibodies were more prevalent in sheep (8.84%) than in goat (2.33%).
Role of Cytokinins in Clubroot Disease Development
Arif Hasan Khan Robin,Mohammad Rashed Hossain,Hoy-Taek Kim,노일섭,박종인 한국육종학회 2019 Plant Breeding and Biotechnology Vol.7 No.2
Clubroot, caused by the obligate biotrophic protist Plasmodiophora brassicae is a devastating disease of crucifers that causes substantial economic loss worldwide. The disease is characterized by the formation of galls in the root and hypocotyl of infected plants which restricts host vascular cambium development inhibiting efficient water and nutrient uptake by the plant. The pathogen-driven interference of hormonal homeostasis, particularly of cytokinin, in the root tissue is intricately linked with induction of hypertrophy and cell divisions leading to formation of galls. Levels of cytokinins and cell division generally increase at the onset of the disease which declines at the later stages of gall formation. The genes involved cytokinin biosynthesis such as cytokinin oxidase/ dehydrogenases and isopentenyl transferases shows differential expressions during clubroot infection and gall expansion in root tissues. Wider understanding of the roles of cytokinins and associated genes along the development of the disease will be helpful in unravelling plants defense mechanism against clubroot disease.
Seroprevalence of brucellosis in small ruminants in selected area of Bangladash
Uddin, Mohammad Jasim,Rahman, Md Siddiqur,Akter, Sayeda Hasina,Hossain, Mohammad Arif,Islam, Md Taohidul,Islam, Md Ariful,Park, Jin-Ho,Song, Hee-Jong The Korean Society of Veterinary Service 2007 韓國家畜衛生學會誌 Vol.30 No.4
A seroprevalence study of small ruminant brucellosis was conducted in sheep and goat rearing selected areas of Mymensingh district and Dhaka district, Bangladesh, from March, 2005 to May, 2006. Sera from 62 sheep and 300 goats were tested by rose bengal plate test (RBPT), plate agglutination test (PAT), tube agglutination test (TAT) and mercaptoethanol test (MET). Out of the 62 sera tested 3.25% (n = 2) were positive to RBT, PAT and TAT and 4.84% (n = 3) were positive MET. In case of 300 goats, 1.67% (n = 5) were positive to RBT and PAT, 2% (n = 6) were positive to TAT and 2.33% (n = 7) were positive to MET. This investigation is the first of its type to be performed in small ruminants in Bangladesh. Higher prevalence rate (8.0 %) was found in BAU nutrition farm in case of sheep and 10 % in Bangladesh Agricultural University (BAU) Veterinary Clinic in case of goat while lower prevalence (0.0 %) was recorded in Pharmacology project and BAU adjacent villages in case of sheep and (0.0 %) in Dhamrai upazila in case of goats respectively. Brucella antibodies were more prevalent in sheep (8.84 %) than in goat (2.33 %).