![]() campestris strains causing bacterial leaf streak of cereals. The data suggest that RFLP analysis is a useful tool to distinguish among X. In contrast, group 2 strains were easily split into two RFLP subgroups, although they did not differ significantly for other characters. Strains in groups 1 and 3 had highly conserved RFLP patterns. ![]() Please enter the biology or biochemistry terms you want to search. Mutations within the DNA result in strands of different lengths. restriction fragment length polymorphism - Terminology of Molecular Biology for restriction fragment length polymorphism GenScript Biology Terms Dictionary This Biology terms dictionary provides query services for biology and biochemistry terms. Special enzymes that cleave the DNA in specific locations are used to digest strands of DNA. Reference strains were distributed over these three groups, independently of their geographical origin. RFLP, or restriction fragment length polymorphism, is a molecular biological technique used to compare DNA from two samples. Restriction fragment length polymorphism (RFLP) of Myco- bacterium tuberculosis based on the insertion sequence IS6110 demonstrates relatedness. One strain, which has the same host range as group 2, was classified as RFLP group 3. RFLP group 2 contained strains that are pathogenic to all the above mentioned plants except oat. RFLP group 1 encompassed all the strains pathogenic to barley but not to the other plants tested (i.e., wheat, rye, Bromus inermis, Lolium multiflorum, Agropyron elongatum, and oat). The Iranian strains studied belonged to three clearly distinct RFLP groups related to the grouping previously established on the basis of biochemical and physiological characters and host range. Restriction fragment length polymorphism (RFLP) analyses of the genomic DNA of 45 Xanthomonas campestris strains from cereals and grasses in Iran, and of 17 reference strains, were performed using two probes originating from X.
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