期刊
FRONTIERS IN BIOSCIENCE-LANDMARK
卷 13, 期 -, 页码 7250-7268出版社
FRONTIERS IN BIOSCIENCE INC
DOI: 10.2741/3226
关键词
Ticks; Mites; Acari; Insects; Insecta; Crustacea; Reproduction; Metamorphosis; Storage Protein; Carrier Protein; Hormone; Endocrinology; Pheromone; Synganglion; Review; Yolk Protein; Vitellin; Vitellogenin; Vitellogenin Receptor; Ecdysteroids; Ecdysone; Juvenile; Hormone; JH; Heme; Prothoracicotrophic Hormone; PTTH; Review
资金
- National Science Foundation [IBN-0315179, -0723692]
- North Carolina Agricultural Research Service
- Direct For Biological Sciences
- Division Of Integrative Organismal Systems [0723692] Funding Source: National Science Foundation
The presence of a status quo hormone like JH has not been found in ticks. The most advanced understanding of tick endocrinology is associated with female reproduction, where the sequence of the first messages for storage proteins (vitellogenin (Vg) and carrier protein), the Vg receptor, and male peptidic pheromones were recently reported. The current consensus model suggests that ecdysteroids from the epidermis regulated by a putative peptidic ecdysiotrophic hormone from the synganlion initiates the expression of the Vg messages in fat body and midgut. Vg protein, secreted into the hemolymph, requires an ovary Vg receptor to be absorbed by oocytes. Male pheromones transferred into the female genital tract during mating initiate blood feeding to repletion and vitellogenesis. The work so far on tick endocrinology is limited by the paucity of identified hormones and the small number of studies on a few tick models. The role of storage proteins in the evolution of hematophagy is discussed.
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