lethal response of the roughskin newt, Taricha granulosa (Skilton), to ultraviolet-B radiation at three fluence rates

by Barbara Michaelis

Written in English
Published: Pages: 57 Downloads: 145
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  • Radiation -- Physiological effect.

Edition Notes

Statementby Barbara Michaelis.
The Physical Object
Pagination[8], 57 leaves, bound :
Number of Pages57
ID Numbers
Open LibraryOL15066829M

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lethal response of the roughskin newt, Taricha granulosa (Skilton), to ultraviolet-B radiation at three fluence rates by Barbara Michaelis Download PDF EPUB FB2

Several laboratory studies have investigated potential sublethal effects of UV-B radiation on rough-skinned newts. Belden () demonstrated that the skin of rough-skinned newt larvae darkens in response to short-term exposure (i.e., 5 d) to UV-B; however, whether skin darkening provides protection from UV-B damage remains unclear.

The genus Taricha consists of four species of highly poisonous newts in the family Salamandridae. Their common name is Pacific newts, sometimes also western newts or roughskin mcgivesback.com four species within this genus are the California newt, the rough-skinned newt, the red-bellied newt, and the sierra newt, all of which are found on the Pacific coastal region from southern Alaska to southern Class: Amphibia.

The rough-skinned newt is a small salamander found in North America, well known for its powerful poison. Scientific Classification Kingdom Animalia Phylum Chordata Class Amphibia Order Caudata Family Salamandridae Genus Taricha Scientific Name Taricha granulosa Quick Information Other Names Oregon newt, rough-skin newt, Pacific Coast newt Physical Description Color: Light-brown to brownish.

Tetrodotoxin levels of the rough-skin newt, Taricha granulosa, increase in long-term captivity skinned newt Taricha granulosa appears to have coevolved with resistance in its predator, the. Aug 26,  · How might lethal defenses confer an individual fitness advantage if both predators and prey die during interactions.

We examined the interaction between the rough-skinned newt (Taricha granulosa), which contains a powerful neurotoxin called tetrodotoxin (TTX), and the common garter snake (Thamnophis sirtalis).Cited by: The slow-moving rough-skinned newt captures the lethal response of the roughskin newt of hikers of all ages.

It can be found almost year-round in the forests of western Washington. The newt is methodical in its movements, steadily walking across whatever obstacle lies in its path. Recommended Citation. Hopkins, Gareth Rowland, "Salt and the Rough-skinned Newt (Taricha granulosa): Evolutionary Investigations of Local Adaptation to an Cited by: 1.

Nov 01,  · So, predators are given a warning and they now know not to eat this newt. But every animal has to have a nemesis. In the case of the rough-skinned newt, that is the common garter snake.

The newt and the garter snake seem to be co-evolving. The garter snakes have developed a resistance to the newt toxin.

Rapid corticosterone-induced impairment of amplectic clasping occurs in the spinal cord of roughskin newts (Taricha granulosa) Article in Hormones and Behavior 43(1) · February with Tetrodotoxin (TTX) is a potent neurotoxin.

Its name derives from Tetraodontiformes, an order that includes pufferfish, porcupinefish, ocean sunfish, and triggerfish; several of these species carry the toxin. Although tetrodotoxin was discovered in these fish and found in several other aquatic animal.

California Newt (Taricha torosa) and Rough-skinned Newt (T. granulosa)(Photo by John Sulivan) Introduction: California newts and rough-skinned newts were once common in the pet trade and could be found for sale in most pet stores in North America.

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The young clergyman, after a few hours of privacy, was sensible that the disorder of his nerves had hurried him into an unseemly. Based on the median lethal dose value in mice, its venom, drop for drop, is by far the most toxic of any snake The rough-skinned newt or roughskin newt is a North American newt known for the strong toxin exuded from its skin.

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