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The blue-spotted salamander (Ambystoma laterale) is a mole salamander native to the Great Lakes states and northeastern United States, and parts of Ontario [2] and Quebec [3] in Canada. Their range is known to extend to James Bay to the north, and southeastern Manitoba to the west.
The pathogen, unidentified up to then, had devastated fire salamander populations in the Netherlands. Molecular phylogenetics confirmed it as related to the well known chytrid B. dendrobatidis. Like this species, it causes chytridiomycosis, which is manifested in skin lesions and is lethal for the salamanders. [1]
A chytrid-killed frog Chytridiomycosis in Atelopus varius—two sporangia containing numerous zoospores are visible.. Chytridiomycosis (/ k aɪ ˌ t r ɪ d i ə m aɪ ˈ k oʊ s ɪ s / ky-TRID-ee-ə-my-KOH-sis) is an infectious disease in amphibians, caused by the chytrid fungi Batrachochytrium dendrobatidis and Batrachochytrium salamandrivorans.
X-ray image of salamander. The skin lacks scales and is moist and smooth to the touch, except in newts of the Salamandridae, which may have velvety or warty skin, wet to the touch. The skin may be drab or brightly colored, exhibiting various patterns of stripes, bars, spots, blotches, or dots.
The silvery salamander and Tremblay's salamander are now known through genetic testing to be polyploid females (only 2% of males survive and they are sterile). These most often possess two of each chromosome from the Jefferson salamander and one of each chromosome from the blue-spotted salamander, resulting in an LJJ genotype (also called a ...
Reaching between 9.3 and 16 cm (3.7 and 6.3 in), the salamander is long and slender with many bluish-white markings. It is dark gray to gray-black and the area around the vent is black. Tremblay's salamander is a hybrid species of Jefferson salamanders (A. jeffersonianum) and blue-spotted salamanders (A. laterale).
They manifest as hypopigmented skin lesions (such as macules, papules, nodules), or facial redness. Though any organism causing kala-azar can lead to PKDL, it is commonly associated with Leishmania donovani which gives different disease patterns in India and Sudan. In the Indian variant, nodules enlarge with time and form plaques but rarely ...
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