Current thinking on how the Toxoplasma gondii parasite invades its host is incorrect, according to a study published today in Nature Methods describing a new technique to knock out genes. The findings could have implications ...
Definition. Coral bleaching is a process whereby the coral colonies lose their colour, either due to the loss of pigments by microscopic algae (zooxanthellae) living in symbiosis with their host organisms (polyps), or because these zooxanthellae have been expelled.
It was hit by coral bleaching, caused by higher water temperatures that break down the coral's symbiotic relationship with algae that provide food for coral growth. However, the team found Scott reef has regenerated in a very short time to become nearly as healthy as it was before.