What does maize streak virus mean?
Definitions for maize streak virus
maize streak virus
This dictionary definitions page includes all the possible meanings, example usage and translations of the word maize streak virus.
Wikidata
Maize streak virus
Maize streak virus is an insect-transmitted maize pathogen in the genus Mastrevirus of the family Geminiviridae that is endemic in sub-Saharan Africa. The A-strain of MSV causes sporadic maize streak disease epidemics throughout the maize growing regions of Africa. MSV was first described by the South African entomologist Claude Fuller who referred to it in a 1901 report as “mealie variegation”. The development of conventionally resistant maize varieties has been a priority since the 1950s in Kenya, Nigeria, South Africa and elsewhere, with a good deal of success: however, there are several genes associated with resistance, and breeding is complex. Transgenically resistant or genetically modified maize varieties are currently under development in South Africa. MSV is mainly transmitted by Cicadulina mbila, but other leafhopper species, such as C. storeyi, C. arachidis and C. dabrowski, are also able to transmit the virus. Typical of all mastreviruses, MSV's circular, ~2.7-Kb monopartite single-stranded DNA genome encodes only four proteins. Bidirectional transcription from a long intergenic region results in the virion-sense expression of a movement protein and a coat protein, and the complementary-sense expression of the replication-associated proteins, Rep and RepA. Whereas the MP and CP are involved in virus movement and encapsidation, Rep is an essential initiator of virus replication, and RepA is a regulator of host and viral gene transcription. Due to genome size restrictions, MSV usurps host DNA replication and double-stranded DNA break repair proteins to replicate its genome via, respectively, rolling-circle and recombination-dependent mechanisms.
U.S. National Library of Medicine
Maize streak virus
The type species of genus Mastrevirus, family GEMINIVIRIDAE.
Numerology
Chaldean Numerology
The numerical value of maize streak virus in Chaldean Numerology is: 8
Pythagorean Numerology
The numerical value of maize streak virus in Pythagorean Numerology is: 1
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"maize streak virus." Definitions.net. STANDS4 LLC, 2024. Web. 27 Apr. 2024. <https://www.definitions.net/definition/maize+streak+virus>.
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