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Plant virus transmission strategies in insect vectors. Plant viruses need to be transmitted by a vector, most often insects such as leafhoppers. One class of viruses, the Rhabdoviridae, has been proposed to actually be insect viruses that have evolved to replicate in plants. The chosen insect vector of a plant virus will often be the ...
Aphid species Myzus persicae. The cauliflower mosaic virus (CaMV) is a member of the family Caulimoviridae.This family is grouped together with the Belpaoviridae, Metaviridae, Pseudoviridae, and Retroviridae (all of which instead have an RNA genome replicated via a DNA intermediate) in the order Ortervirales; the Hepadnaviridae, despite having a DNA genome replicated via an RNA intermediate ...
Impatiens necrotic spot orthotospovirus (INSV) is a plant pathogenic virus of the order Bunyavirales. It was originally believed to be another strain of Tomato spotted wilt virus, but genetic investigations revealed them to be separate viruses. It is a negative-strand RNA virus which has a tripartite genome. [1]
Since viruses are obligate intracellular parasites they must develop direct methods of transmission, between hosts, in order to survive. The mobility of animals increases the mechanisms of viral transmission that have evolved, whereas plants remain immobile, and thus plant viruses must rely on environmental factors to be transmitted between hosts.
Unlike human and animal pathology, plant pathology usually focuses on a single causal organism; however, some plant diseases have been shown to be interactions between multiple pathogens. [ 4 ] To colonize a plant, pathogens have specific pathogenicity factors , of five main types: uses of cell wall–degrading enzymes, toxins , effector ...
Growth hormone (GH) or somatotropin, also known as human growth hormone (hGH or HGH) in its human form, is a peptide hormone that stimulates growth, cell reproduction, and cell regeneration in humans and other animals. It is thus important in human development.
For more information, patients treated with cadaver-derived human growth hormone in the U.S. can call the National Institute of Diabetes and Digestive and Kidney Diseases at 1-800-860-8747 or ...
Tomato bushy stunt virus (TBSV) is a virus of the tombusvirus family. [2] It was first reported in tomatoes in 1935 and primarily affects vegetable crops, though it is not generally considered an economically significant plant pathogen. Depending upon the host, TBSV causes stunting of growth, leaf mottling, and deformed or absent fruit.