کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
2800046 1568893 2015 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Bioinformatic prediction of Trichoplax adhaerens regulatory peptides
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی علوم غدد
پیش نمایش صفحه اول مقاله
Bioinformatic prediction of Trichoplax adhaerens regulatory peptides
چکیده انگلیسی


• The Trichoplax genome encodes at least 4 insulin and 5 neuropeptide precursors.
• Trichoplax insulins have canonical structure with A and B chains and 3 S-S bridges.
• RWamides were found among Trichoplax peptides.
• Other placozoan neuropeptides are unique.

Trichoplax adhaerens (phylum Placozoa) is a very simple organism that lacks a nervous system. However, its genome contains many genes essential for neuronal function and development. I report the results of regulatory peptide predictions for this enigmatic animal. Extensive transcriptome, genome, and predicted proteome mining allowed us to predict four insulins, at least five short peptide precursors, one granulin, one paracrine regulator of cell growth, and one complex temptin-attractin pheromone signaling system. The expression of three insulins, four short peptide precursors, granulin, and one out of the six temptin genes was detected. Five predicted regulatory peptide precursors could potentially release over 60 different mature peptides. Some of the predicted peptides are somewhat similar to anthozoan RW amides, Aplysia pedal peptide 3, and PRQFV amide. Other predicted short peptides could not readily be classified into established families. These data provide the foundation for the molecular, biochemical, physiological, and behavioral studies of one the most primitive animal coordination systems, and give unique insight into the origins and early evolution of the nervous system.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: General and Comparative Endocrinology - Volume 212, 1 February 2015, Pages 145–155
نویسندگان
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