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Saturday, July 25, 2020 | History

2 edition of Proteomic and genomic studies on the venom of Gila monster and Mexican beaded lizard. found in the catalog.

Proteomic and genomic studies on the venom of Gila monster and Mexican beaded lizard.

Hang Fai Kwok

Proteomic and genomic studies on the venom of Gila monster and Mexican beaded lizard.

by Hang Fai Kwok

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Published by The Author] in [S.l .
Written in English


Edition Notes

Thesis (Ph. D. ) - University of Ulster, 2003.

ID Numbers
Open LibraryOL15994086M

The Gila monster (Heloderma suspectum) is a shy, venomous but non-aggressive reptile found in the deserts of south western US and is one of only two venomous lizards in the world. The. Genomic- and proteomic-scale analyses are part of systems biology, which is the study of whole biological systems (genomes and proteomes) based on interactions within the system. The European Bioinformatics Institute and the Human Proteome Organization (HUPO) are developing and establishing effective tools to sort through the enormous pile of.

True venom delivery systems have evolved in several living groups of reptiles: advanced venomous snakes (e.g., colubrids, atractaspidids, vipers, pit vipers, cobras, and allies) and helodermatid lizards (Gila monster, Heloderma suspectum, and beaded lizard, Heloderma horridum) (Kochva, ; Minton and Minton, ; Zug, ). Venom released when the banded Gila monster bites attacks the nervous system of prey and also serves as a defensive mechanism. Glands in the lower jaw release the venom into grooves in the Gila monster's teeth. When a Gila monster bites, it will generally hold the bite and chew more venom .

Duke Translational Research Institute Core Services vouchers are awarded on a quarterly basis. The facility is pleased to announce that proteomics is having an impact in these voucher studies; approximately 50 percent of the awards have utilized proteomics for their studies. Interested in applying for a voucher? The study of nucleic acids began with the discovery of DNA, progressed to the study of genes and small fragments, and has now exploded to the field of genomics. Genomics is the study of entire genomes, including the complete set of genes, their nucleotide sequence and organization, and their interactions within a species and with other species.


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Proteomic and genomic studies on the venom of Gila monster and Mexican beaded lizard by Hang Fai Kwok Download PDF EPUB FB2

Kwok and Ivanyi developed a minimally-invasive technique for venom extraction from lizards, 6 and genomic and proteomic studies on these venoms have been published by Chen et al and Kwok et al objectively supporting that this method of obtaining lizard venom worked extremely well.

7, 10, 13 Kwok and Ivanyi's technique offered a rubber-covered object for the lizard to by: 2. study, the gila monster venom proteome was characterized using 2D-gel electrophoresis and tandem mass spectrometry-based de novo peptide sequencing followed by protein identification based on sequence homology.

A total of 39 different proteins were identified out of the 58 selected spots that representCited by: 8. genomic and proteomic studies on these venoms have been published by Chen et al and Kwok et al objectively supporting that this method of obtaining lizard venom worked extremely well.

7,10,13 Kwok and. Venom Genomics and Proteomics covers research into the venom of scaled reptiles (lizards and snakes), scorpions, spiders, ants and platypuses. Special consideration is given to a number of observations made in the area of snake venom and in the application of advanced genomics and proteomics techniques on a variety of venom samples.

This communication reports the results of proteomic, transcriptomic, biochemical and electrophysiological analysis of the soluble venom and venom glands of the Mexican centipede Scolopendra viridis Say (here thereafter abbreviated S.

viridis).Separation of the soluble venom permitted to obtain 54 different fractions, from which a mass finger printing analysis permitted the Cited by:   Living Zoology presents two major documentaries in One of them is The Desert of Rattlesnakes.

This unique scene shows the Gila monster in. The objectives of this study were: firstly, to conduct a comparative study of the composition of venom proteins from the three Oxyuranus species; secondly to clone and characterise venom specific proteins. This study was primarily conducted utilising fundamental proteomic tools including chromatography, one- and two-dimensional gel.

The first application of TD venomics was performed on king cobra (Ophiophagus hannah) venom due to availability of species‐specific genome and venom gland transcriptome sequence databases. 66 Petras and colleagues determined the isotope‐averaged molecular mass, the number of disulfide linkages and sequence tags of the venom proteome 67 by.

Toxicity studies proved that venom used had an LD6, of mg/kg when tested by means of intracardial injections in rats. INTRODUCTION APART from occasional case histories [], little specific information has been compiled of the direct and indirect physiological actions of venom from the Gila monster, Heloderma suspectum Cope.

Gila monster, (Heloderma suspectum), one of two species of North American venomous lizards in the genus Heloderma of the family Helodermatidae. The Gila monster (H. suspectum) was named for the Gila River basin and occurs in the southwestern United States and northern grows to about 50 cm (about 20 inches), is stout-bodied with black and pink blotches or bands, and has beadlike scales.

genomics: the study of the complete genome of an organism Proteomics is a relatively-recent field; the term was coined in while the science itself had its origins in. The Gila monster is a species of lizard that was once thought to be one of only two species of venomous lizards.

(The other is the Mexican beaded lizard.) The Gila monster lives in. Gila monster facts, pictures and information. Discover the USA’s only venomous lizard. Gila Monster Facts At A Glance.

Scientific name: Heloderma suspectum Type of Animal: Reptile Animal Family: Helodermatidae Where Found: Mexico and United States Length: Up to 60cm (2ft) Typical Weight: to kg ( to 4lb) Conservation Status: Near Threatened Other Interesting Gila Monster. Venom and venom glands allow for the isolation and characterization of their protein and peptide components using proteomic and transcriptomic approaches.

In addition, venom samples may represent the starting point of functional assays, which determine the biomedical and pharmacological potential of their constituent molecules. Exenatide, the lizard venom (the compound is trademarked Byetta), works to control the reptile’s pancreas.

The Gila monster is a binge eater. It gorges itself every two. Dr. Steve Figard and his independent study class intend to find out by making use of the eight Gila monsters in Dr. Chris Carmichael’s serpentarium.

According to Figard, the venom from Gila monsters, the only venomous lizard in the United States, contains the protein helodermin, which inhibits the growth of certain cancer cell lines. Scarcity of venom sequence databases for the analysis of MS data has posed a challenge to all snake venom proteomic studies.

Proteomics tools provide enormous versatility in diverse applications, ranging from unravelling the complexity of varies venoms to potentially identifying the minute differences between very closely related organisms [ 11 ]. The Mexican beaded lizard (Figure ) and the Gila monster (Figure ) are both inhabitants of central and southwest North America.

They have powerful jaws and razor-sharp teeth, which either slash or grip and chew the victim's flesh, releasing toxic venom from a. Ap ASU biologist launches crowdfunding campaign to fund 1st genome sequencing project for this unique reptile.

It was her very first encounter with a strangely beautiful orange and black beaded Arizona native, the Gila monster — one of only two venomous lizards in the world — that convinced Melissa Wilson Sayres to divert from her year path of studying mammal genomes.

Sequencing the Gila Monster genome will advance knowledge of vertebrate genome evolution, enhance our understanding of venom evolution in squamates (the lizards and snakes), and enable further development of drugs and therapies from Gila Monster venom.

Genomics is the study of the genomes of organisms. The field includes intensive efforts to determine the entire DNA sequence of organisms and fine-scale genetic mapping efforts. The field also includes studies of intragenomic phenomena and other interactions between loci and alleles within the genome and the techniques of sequencing, genome.The Gila monster (Heloderma suspectum) is the only venomous lizard native to the United States, but its reputation as a cold-blooded man-killer (in part triggered by the “monster” label) is as overblown as that of most Old West gunfighters.

The shy and slow nocturnal creature, which still inhabits the Gila River valley in Arizona and New.Genetic maps provide the outline, and physical maps provide the details. It is easy to understand why both types of genome-mapping techniques are important to show the big picture.

Information obtained from each technique is used in combination to study the genome. Genomic mapping is used with different model organisms that are used for research.