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Host defence peptides from the skin glands of the Australian blue mountains tree-frog Litoria citropa. Solution structure of the antibacterial peptide citropin 1.1.
Nineteen citropin peptides are present in the secretion from the granular dorsal glands of the Blue Mountains tree-frog Litoria citropa; 15 of these peptides are also present in the secretion fromExpand
nNOS inhibition, antimicrobial and anticancer activity of the amphibian skin peptide, citropin 1.1 and synthetic modifications. The solution structure of a modified citropin 1.1.
A large number of bioactive peptides have been isolated from amphibian skin secretions. These peptides have a variety of actions including antibiotic and anticancer activities and the inhibition ofExpand
Animal behaviour: Aquatic sex pheromone from a male tree frog
Many creatures use chemical signals (pheromones) as sources of information about the world around them. For example, a sex pheromone produced by one sex (usually the female) of a particular speciesExpand
Amphibian peptides that inhibit neuronal nitric oxide synthase. Isolation of lesuerin from the skin secretion of the Australian Stony Creek frog Litoria lesueuri.
Two neuropeptides have been isolated and identified from the secretions of the skin glands of the Stony Creek Frog Litoria lesueuri. The first of these, the known neuropeptide caerulein 1.1, is aExpand
Differences in the skin peptides of the male and female Australian tree frog Litoria splendida. The discovery of the aquatic male sex pheromone splendipherin, together with phe8 caerulein and a new
The skin secretions of female and male Litoria splendida have been monitored monthly over a three-year period using HPLC and electrospray mass spectrometry. Two minor peptides are present only in theExpand
Peptides from the Skin Glands of the Australian Buzzing Tree Frog Litoria electrica. Comparison with the Skin Peptides of the Red Tree Frog Litoria rubella
Eleven peptides have been isolated from the skin glands of the ‘buzzing tree frog’ Litoria electrica. The two most abundant peptides are tryptophyllin L 3.1 [Phe Pro Trp Pro (NH2)] and electrin 1Expand
An immunomodulator used to protect young in the pouch of the Tammar wallaby, Macropus eugenii
Eugenin [pGluGlnAspTyr(SO3)ValPheMetHisProPhe‐NH2] has been isolated from the pouches of female Tammar wallabies (Macropus eugenii) carrying young in the early lactation period. The sequence ofExpand
The negative ion mass spectra of deprotonated 2,5-diketopiperazines
Abstract Deprotonation of 2,5-diketopiperazine (with HO − ) can occur either on N (position 1(4)) or on carbon (position 3(6)). The two depotonated forms are interconvertible on collisionalExpand
The citropin peptides from the skin glands of the Australian Blue Mountains tree frog Litoria citropa. Part 2: sequence determination using electrospray mass spectrometry.
Sixteen caerulein-type peptides have been isolated from the skin secretions of the Australian Blue Mountains tree frog Litoria citropa. There are four groups of these peptides. The first is based onExpand