More than 35 years later, Bdellovibrio biology is undergoing a revival owing to the original, pioneering genetics work of Thomashow and colleagues (13), which has been followed up by genome sequencing and the development of new gene inactivation methods to study the function of these bacteria (32, 42, 60).
They also have five pairs of eyes. The Freshwater Leech is a parasite that feeds on the blood of fish, frogs, turtles, and mammals. It should not be confused with other leeches, most of which prey only on insects, snails, and small creatures.
Chytridiomycosis appears to be affecting frogs to a greater extent than salamanders, although far less research has been conducted on salamanders, and new data indicate that neotropical salamanders may also be crashing due to chytridiomycosis (Rovito et al. 2009; Cheng et al.wo hypotheses have been put forth to explain Bd 's spread: first, that it is a novel pathogen, with the spread to new host species and new geographical areas mediated by humans (Berger et al. 1999; Daszak et al.