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How Anopheles crop doesn't digest gametocytes of P. vivax?

Short Answer: Nothing prevents it, most Plasmodium (gametocytes/gametes/zygotes/ookinetes) are killed. Background: After lots of search, I finally found a definite answer about this. According to ...
another 'Homo sapien''s user avatar
4 votes

How Anopheles crop doesn't digest gametocytes of P. vivax?

Disclaimer: I am trying to answer the question without finding any academic research on the topic. So, appreciate hypotheses and feel free to point out mistakes. Short Answer : Co- Evolution Broad ...
Mockingbird's user avatar
4 votes

How do prions cross the blood brain barrier?

I am not sure if a perfect answer is possible owing to the fact that Prion diseases are still incompletely understood, and are actively under research. On a preliminary search, I found some papers ...
stochastic13's user avatar
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4 votes
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How do schistosomes find and attach to human skin?

Schistosoma recognize human skin by mechanical, thermal and chemical stimuli from host. Attachment of parasite to skin is stimulated by L-arginine. Schistosomes specifically bind to L -argine by ...
Twinkle Sheen's user avatar
4 votes
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Effects of mushrooms on their hosts

It probably makes sense to classify mushrooms (fungi) in two separate ways: symbiotic vs. free-living: symbiotic organisms are those that live in close association with a host (etymologically sym="...
Ben Bolker's user avatar
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2 votes

Does Plasmodium affect the female Anopheles mosquito?

tl;dr yes, Plasmodium does appear to interact with its mosquito vectors — many species of mosquito have reduced fitness when infected with plasmodia due to the cost of mounting an immune response (...
Ben Bolker's user avatar
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2 votes
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Why do some viruses get deadlier over time?

It depends on what is implied by over time in the question. Virus may become more deadly (or otherwise harmful) simply due to a random mutation. However, virus does not specifically aims at harming ...
Roger V.'s user avatar
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2 votes
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CD4+ as Monocytes cell surface receptors

Macrophages and monocytic cells can express CD4, CD8 or even co-express them. The CD4 and CD8 molecules interact with MHC complexes on neighboring cells, and as you can imagine elicit varying effect ...
CKM's user avatar
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1 vote

Do all gene mutations in pathogens lead to more harmful consequences for humans?

Mutations are random; the (pathogenic) bacteria (or any living being) will randomly acquire mutations that may be beneficial, deleterious or neutral to its fitness. Only beneficial and neutral ...
WYSIWYG's user avatar
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1 vote

What, other than genetic factors, influence which individual survives a parasite and which perishes?

I am neither a parasitologist nor an immunologist, so these suggestions are only provided as a starting point and may meet valid criticisms from others. However, as your comment mentions the 1918 flu ...
David's user avatar
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1 vote

Are there any bacterial lineages which are particularly well adapted to becoming endosymbionts?

http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0027909 Members of the genus Xenorhabdus are entomopathogenic bacteria that associate with nematodes. The nematode-bacteria pair ...
Dapper Lad's user avatar
1 vote
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Are there specific non-protein substances that pathogens release into their host?

Sticking my neck out (and expecting it to be bitten by a black swan) it appears that all the examples of toxins secreted by bacterial pathogens when they infect an animal host (exotoxins) are proteins....
David's user avatar
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