snip "I haven't been proven wrong.



And chitinase isn't found in ANY animals. It is found in some bacteria and some plants!"endsnip



For one example in a vertebrate (a crab eating Bufo)

see http://cat.inist.fr/?aModele=afficheN&cpsidt=13789265 for the abstract of



OSHIMA Hiroyuki; MIYAZAKI Rieko; OHE Yoshihide; HAYASHI Hiroaki; KAWAMURA Kosuke; KIKUYAMA Sakae; Isolation and sequence of a novel amphibian pancreatic chitinase; 1994; Comparative biochemistry and physiology. Part B. Biochemistry & molecular biology (Comp. biochem. physiol., Part B, Biochem. mol. biol.)



As this is a pancreatic enzyme it rules out chitinase being the result of a symbiotic relationship.



For another see

Isolation and Characterization of a Chitinase from the Nine-Banded Armadillo, Dasypus novemcinctus

Stephanie A. Smith, Lynn W. Robbins, John G. Steiert

Journal of Mammalogy, Vol. 79, No. 2 (May, 1998), pp. 486-491

doi:10.2307/1382979





And many fungi contain chitinases and they are neither bacteria or plants.





Ed

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