Questions tagged [infection]

An infection is caused by the invasion of by pathogenic organisms (bacteria, viruses or worms) into a host. These pathogenic organisms live and multiply in its host and cause diseases by this.

3
votes
0answers
56 views

Can immune cells be recruited to an area of inflammation, and later go on to a second?

With regards to innate or adaptive immune cells... can naive/immature cells such as neutrophils, monocytes, macrophage/dendritic cells or adaptive T-cells be recruited to an area of inflammation, for ...
2
votes
0answers
55 views

Would the microgravity “shape-shifting” bacteria effect have anything to do with bacteria growing in a host?

Phys.org's news article Why bacteria 'shapeshift' in space describes a recently published study Phenotypic Changes Exhibited by E. coli Cultured in Space, Zea Luis, Z. et al, 2017, Frontiers in ...
2
votes
0answers
35 views

Wolbachia - cytoplasmic incompatibility

I read that cytoplasmic incompatibility in Wolbachia occurs when wolbachia-infected male insects mate with wolbachia-free female insects and produce non-viable offspring. By contrast, wolbachia-...
2
votes
0answers
63 views

Does having a total gastrectomy (removal of the stomach) cause individuals to be more prone to infections?

If a patient has a complete removal of his/her stomach (i.e. a total gastrectomy), then does that cause a person to be more prone to infections from eating unsanitary food? I'm asking this question ...
1
vote
0answers
26 views

What properties of the pathogens of infectious diseases make recovered individuals susceptible to the disease?

I was wondering what properties of the pathogens of infectious diseases make these diseases more prone to making recovered individuals immediately susceptible to the disease? I was thinking that with ...
1
vote
0answers
14 views

Infecting yeast with viruses

Is there any virus, either natural or engineered, known to infect yeast through mechanisms similar to phages/human viruses, that is, by horizontal contamination mediated by extracellular viral ...
1
vote
0answers
72 views

Epidemic threshold on a directed network

I am trying to understand the equations used in a paper (https://www.nature.com/articles/srep00469.pdf) Mainly I'm trying to understand how the epidemic thershold was calculated using the ...
1
vote
0answers
171 views

What's the probability of a non-pathogenic strain becoming pathogenic from plasmids transmitted through the air?

So the thing is, I was getting a bacterial CRISPR kit for biology class, which is overall pretty simple and I'm just doing this for practice, and my dad was saying he was concerned it would ...
1
vote
0answers
61 views

Why are treatment periods with antibiotics longer than 1-2 days?

Antibiotics are given prophylactically for several indications (e.g. prior to dental surgery). Why are the treatment periods for prophylactic antibiotics much shorter than when treating an ...
1
vote
0answers
852 views

Why is squeezing not recommended after a needle prick?

I've read some interesting things about the risk of infection after a needle prick (30% - hepatitis B, 1.8% - hepatitis C and 0.3% - HIV), but I've also saw that the local squeezing is not recommended....
1
vote
0answers
21 views

Can different strains of Rhizobium share an infection thread or symbiosome?

Rhizobium infection can be triggered at root hairs of legumes, creating infection threads. Can these infections threads be colonized by more than one type of Rhizobium (e.g. Fixing and non-fixing)? ...
0
votes
0answers
35 views

Is swimming pool water actually a weak topical medication?

I was inspired by this question. Given that the chlorine levels in swimming pool water are so high that they can seriously harm amphibians, it seems logical that the water should also kill various ...