Agkistrodon contortrix

Contortrostatin, a disintegrin from Agkistrodon contortrix contortrix venom, is an example of an effective inhibitor of [[beta].sub.1]-integrin-mediated adhesion in metastatic melanoma cells [30].

Copperhead (Agkistrodon contortrix)--Copperheads have been observed at the north edge of the sinkhole, along Stemler Road.

Wedelolactone also antagonized the myotoxic activity in mice of venoms from Crotalus viridis viridis and Agkistrodon contortrix laticinctus and two phospholipase A2 myotoxins, CVV myotoxin and ACL myotoxin, isolated from them [126].

Rapid identification of thousands of copperhead snake (Agkistrodon contortrix) microsatellite loci from modest amounts of 454 shotgun genome sequence.

(2) Specifically, they are the Copperhead (Agkistrodon contortrix), Canebrake rattlesnake (Crotalus horridus atricaudatus), Eastern Diamondback rattlesnake (Crotalus adamanteus), Pigmy rattlesnake (Sistrurus miliarius), and Cottonmouth or Water Moccasin (Agkistrodon piscivorus).

Murdoch, "Levels of plasma corticosterone and testosterone in male copperheads (Agkistrodon contortrix) following staged fights," Hormones and Behavior, vol.

The approach I favor: Simply look quizzically at the person as though he's a bug under your microscope, note his more bizarre qualities, and silently classify him as a Mephitis mephitis (striped skunk) or Agkistrodon contortrix mokeson (northern copperhead).

Cottonmouths and rough green snakes were observed during every survey; racers, timber rattlesnakes, and gray ratsnakes were detected during seven surveys (87.5% of surveys); western ribbon snakes (Thamnophis proximus) were sighted during five surveys (62.5%); copperheads (Agkistrodon contortrix) were encountered during three surveys (37.5%), plainbelly water snakes (Nerodia erythrogaster) and common garter snakes (Thamnophis sirtalis) were detected during two surveys (25%); and brown snakes (Storeria dekayi) and a single northern water snake were sighted during one survey (12.5%).

Taxon ATV Non-ATV Control Total Class Amphibia Order Caudata Ambystoma opacum 1 0 0 1 Ambystoma texanum 10 13 7 30 Order Anura Rana utricularia 10 5 8 23 Class Reptilia Order Squamata Eumeces fasciatus 26 31 37 94 Eumeces laticeps 10 4 12 26 Scincella lateralis 42 32 42 116 Agkistrodon piscivorus 5 5 3 13 Agkistrodon contortrix 3 3 0 6 Pantherophis obsoleta 0 1 0 1 Farancia abacura 1 0 0 1 Lampropeltis getula 1 0 1 2 Nerodia erythrogaster 11 12 10 33 Nerodia fasciata 2 0 2 4 Nerodia rhombifer 0 2 0 2 Storeria dekayi 5 2 3 10 Thamnophis proximus 11 14 16 41 Total Individuals 138 124 141 403 Total Species 14 12 11 16

Typically, agonistic interactions between males are driven by competition for access to mates, shelter and other limited resources (Andersson 1994; Huntingford & Turner 1987), with the winner of the contest often gaining first access to these resources (Huntingford & Turner 1987; horned beetles, Emlen 1997; and the copperhead snake Agkistrodon contortrix, Schuett 1997).