An Insight into the Sialomes of Bloodsucking Heteroptera

Saliva of bloodsucking arthropods contains dozens or hundreds of proteins that affect their hosts' mechanisms against blood loss (hemostasis) and inflammation. Because acquisition of the hematophagous habit evolved independently in several arthropod orders and at least twice within the true bug...

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Main Authors: José M. C. Ribeiro, Teresa C. Assumpção, Ivo M. B. Francischetti
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Psyche: A Journal of Entomology
Online Access:http://dx.doi.org/10.1155/2012/470436
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author José M. C. Ribeiro
Teresa C. Assumpção
Ivo M. B. Francischetti
author_facet José M. C. Ribeiro
Teresa C. Assumpção
Ivo M. B. Francischetti
author_sort José M. C. Ribeiro
collection DOAJ
description Saliva of bloodsucking arthropods contains dozens or hundreds of proteins that affect their hosts' mechanisms against blood loss (hemostasis) and inflammation. Because acquisition of the hematophagous habit evolved independently in several arthropod orders and at least twice within the true bugs, there is a convergent evolutionary scenario that creates a different salivary potion for each organism evolving independently to hematophagy. Additionally, the immune pressure posed by their hosts creates additional evolutionary pressure on the genes coding for salivary proteins, including gene obsolescence, which opens the niche for coopting new genes (exaptation). In the past 10 years, several salivary transcriptomes from bloodsucking Heteroptera and one from a seed-feeding Pentatomorpha were produced, allowing insight into the salivary potion of these organisms and the evolutionary pathway to the blood-feeding mode.
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publishDate 2012-01-01
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series Psyche: A Journal of Entomology
spelling doaj-art-48f5e4fe1018465cb7423346827b50902025-02-03T01:25:05ZengWileyPsyche: A Journal of Entomology0033-26151687-74382012-01-01201210.1155/2012/470436470436An Insight into the Sialomes of Bloodsucking HeteropteraJosé M. C. Ribeiro0Teresa C. Assumpção1Ivo M. B. Francischetti2Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USALaboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USALaboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USASaliva of bloodsucking arthropods contains dozens or hundreds of proteins that affect their hosts' mechanisms against blood loss (hemostasis) and inflammation. Because acquisition of the hematophagous habit evolved independently in several arthropod orders and at least twice within the true bugs, there is a convergent evolutionary scenario that creates a different salivary potion for each organism evolving independently to hematophagy. Additionally, the immune pressure posed by their hosts creates additional evolutionary pressure on the genes coding for salivary proteins, including gene obsolescence, which opens the niche for coopting new genes (exaptation). In the past 10 years, several salivary transcriptomes from bloodsucking Heteroptera and one from a seed-feeding Pentatomorpha were produced, allowing insight into the salivary potion of these organisms and the evolutionary pathway to the blood-feeding mode.http://dx.doi.org/10.1155/2012/470436
spellingShingle José M. C. Ribeiro
Teresa C. Assumpção
Ivo M. B. Francischetti
An Insight into the Sialomes of Bloodsucking Heteroptera
Psyche: A Journal of Entomology
title An Insight into the Sialomes of Bloodsucking Heteroptera
title_full An Insight into the Sialomes of Bloodsucking Heteroptera
title_fullStr An Insight into the Sialomes of Bloodsucking Heteroptera
title_full_unstemmed An Insight into the Sialomes of Bloodsucking Heteroptera
title_short An Insight into the Sialomes of Bloodsucking Heteroptera
title_sort insight into the sialomes of bloodsucking heteroptera
url http://dx.doi.org/10.1155/2012/470436
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