ORIGINAL ARTICLE
Molecular characterization of Cucumber mosaic virus subgroup IB infecting Cavendish banana plants in Ethiopia
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1
Department of Biotechnology, Sharda University, Greater Noida, Uttar Pradesh, India
2
Department of Botany, Mahatma Gandhi Central University, Bihar, India
A - Research concept and design; B - Collection and/or assembly of data; C - Data analysis and interpretation; D - Writing the article; E - Critical revision of the article; F - Final approval of article
Submission date: 2021-01-13
Acceptance date: 2021-05-18
Online publication date: 2021-12-20
Corresponding author
Shahana Majumder
Department of Botany, Mahatma Gandhi Central University, Bihar, India
Journal of Plant Protection Research 2021;61(4):392-401
KEYWORDS
TOPICS
ABSTRACT
Banana is the major fruit crop produced in Ethiopia. Since Cucumber mosaic virus (CMV)
is one of the most devastating plant viruses infecting banana, the present study was un-
dertaken to survey and identify CMV strains infecting banana plants in Ethiopia. Dot
immune-binding assay (DIBA) and reverse transcription-polymerase chain reaction
(RT-PCR) revealed the presence of CMV in all of the symptomatic samples tested. The
results of sequence and phylogenetic analysis revealed that the isolate under study was
a CMV isolate from the IB subgroup. Multiple sequence alignment revealed a three nu-
cleotide sequence variation that could be used to distinguish CMV subgroups. Selection
pressure analysis showed the CMV-RNA1 region undergoing positive selection pressure.
Tajima`s test of neutrality revealed a positive value of 0.86468 indicating CMV population
contraction. To the best of our knowledge, this is the first report and molecular characteri-
zation of CMV IB subgroup isolate infecting banana plants in Ethiopia
ACKNOWLEDGEMENTS
The authors are thankful to the Department of Biotech-
nology, Government of India, for financial assistance.
The authors would like to thank Sharda Univer-
sity for providing the facility as well as the Ethiopian
Government for the Ph.D. scholarship provided to
Mr. Yohanis Mulu Kebede.
RESPONSIBLE EDITOR
Julia Minicka
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
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