{"id":122354,"date":"2021-07-24T09:22:07","date_gmt":"2021-07-24T16:22:07","guid":{"rendered":"https:\/\/www.pandasilk.com\/silkworm-material-metabolism\/"},"modified":"2025-01-15T10:42:35","modified_gmt":"2025-01-15T18:42:35","slug":"silkworm-material-metabolism","status":"publish","type":"post","link":"https:\/\/www.pandasilk.com\/cs\/silkworm-material-metabolism\/","title":{"rendered":"Metabolismus hedv\u00e1b\u00ed u bource moru\u0161ov\u00e9ho"},"content":{"rendered":"<p>Bource moru\u0161ov\u00e9ho hedv\u00e1b\u00ed, prim\u00e1rn\u011b housenka bource moru\u0161ov\u00e9ho (Bombyx mori), je fascinuj\u00edc\u00edm p\u0159\u00edkladem specializovan\u00e9ho metabolismu zam\u011b\u0159en\u00e9ho na produkci jednoho z nejcenn\u011bj\u0161\u00edch materi\u00e1l\u016f na sv\u011bt\u011b \u2013 hedv\u00e1b\u00ed.  Tento proces je v\u00fdsledkem komplexn\u00ed interakce mezi genetikou, v\u00fd\u017eivou a specifick\u00fdmi metabolick\u00fdmi drahami.<\/p>\n<h3>P\u0159\u00edjem a zpracov\u00e1n\u00ed potravy<\/h3>\n<p>Bource moru\u0161ov\u00e9ho se \u017eiv\u00ed v\u00fdhradn\u011b listy moru\u0161e, kter\u00e9 jsou bohat\u00e9 na proteiny, sacharidy a dal\u0161\u00ed esenci\u00e1ln\u00ed \u017eiviny.  Jejich tr\u00e1vic\u00ed syst\u00e9m je uzp\u016fsoben pro efektivn\u00ed zpracov\u00e1n\u00ed list\u016f moru\u0161e a extrakci pot\u0159ebn\u00fdch l\u00e1tek pro r\u016fst a produkci hedv\u00e1b\u00ed.  Specifick\u00e9 enzymy v jejich st\u0159ev\u011b \u0161t\u011bp\u00ed komplexn\u00ed molekuly na jednodu\u0161\u0161\u00ed, kter\u00e9 jsou n\u00e1sledn\u011b absorbov\u00e1ny a transportov\u00e1ny do hemolymfy, obdoby krve u hmyzu.<\/p>\n<h3>Metabolismus b\u00edlkovin<\/h3>\n<p>Synt\u00e9za hedv\u00e1bn\u00fdch protein\u016f, fibroinu a sericinu, je kl\u00ed\u010dov\u00fdm aspektem metabolismu bource moru\u0161ov\u00e9ho.  Aminokyseliny z\u00edskan\u00e9 z list\u016f moru\u0161e jsou stavebn\u00edmi kameny t\u011bchto protein\u016f.  Proces synt\u00e9zy prob\u00edh\u00e1 ve specializovan\u00fdch \u017el\u00e1z\u00e1ch, tzv. snovac\u00edch \u017el\u00e1z\u00e1ch.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Aminokyselina<\/th>\n<th>Fibroin (%)<\/th>\n<th>Sericin (%)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Glycin<\/td>\n<td>43<\/td>\n<td>16<\/td>\n<\/tr>\n<tr>\n<td>Alanin<\/td>\n<td>29<\/td>\n<td>29<\/td>\n<\/tr>\n<tr>\n<td>Serin<\/td>\n<td>12<\/td>\n<td>30<\/td>\n<\/tr>\n<tr>\n<td>Tyrosin<\/td>\n<td>5<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>Valin<\/td>\n<td>3<\/td>\n<td>2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Metabolismus sacharid\u016f<\/h3>\n<p>Sacharidy z moru\u0161ov\u00e9ho list\u00ed jsou prim\u00e1rn\u00edm zdrojem energie pro bource moru\u0161ov\u00e9ho.  Gluk\u00f3za, frukt\u00f3za a sachar\u00f3za jsou metabolizov\u00e1ny prost\u0159ednictv\u00edm glykol\u00fdzy a Krebsova cyklu, \u010d\u00edm\u017e se uvol\u0148uje energie pot\u0159ebn\u00e1 pro r\u016fst a synt\u00e9zu hedv\u00e1b\u00ed.  Glykogen, z\u00e1sobn\u00ed forma gluk\u00f3zy, je ukl\u00e1d\u00e1n v t\u011ble bource a vyu\u017e\u00edv\u00e1n v obdob\u00edch nedostatku potravy.<\/p>\n<h3>Metabolismus lipid\u016f<\/h3>\n<p>Lipidy hraj\u00ed d\u016fle\u017eitou roli v energetick\u00e9 bilanci a synt\u00e9ze bun\u011b\u010dn\u00fdch membr\u00e1n.  Bource moru\u0161ov\u00e9ho si ukl\u00e1d\u00e1 tuky ve form\u011b triglycerid\u016f, kter\u00e9 jsou metabolizov\u00e1ny v p\u0159\u00edpad\u011b pot\u0159eby.  Mastn\u00e9 kyseliny jsou tak\u00e9 d\u016fle\u017eit\u00e9 pro synt\u00e9zu n\u011bkter\u00fdch hormon\u016f, kter\u00e9 reguluj\u00ed r\u016fst a v\u00fdvoj.<\/p>\n<h3>Regulace metabolismu<\/h3>\n<p>Metabolismus bource moru\u0161ov\u00e9ho je komplexn\u011b regulov\u00e1n hormony, jako je juveniln\u00ed hormon a ekdyson. Tyto hormony ovliv\u0148uj\u00ed r\u016fst, v\u00fdvoj a produkci hedv\u00e1b\u00ed.  Nap\u0159\u00edklad juveniln\u00ed hormon inhibuje metamorf\u00f3zu a stimuluje produkci hedv\u00e1b\u00ed, zat\u00edmco ekdyson iniciuje proces kuklen\u00ed.<\/p>\n<p>Metabolismus bource moru\u0161ov\u00e9ho je \u00fazce specializovan\u00fd na produkci hedv\u00e1b\u00ed a p\u0159edstavuje fascinuj\u00edc\u00ed p\u0159\u00edklad adaptace na specifickou potravu a \u017eivotn\u00ed styl.  Pochopen\u00ed t\u011bchto proces\u016f je kl\u00ed\u010dov\u00e9 pro optimalizaci chovu bourc\u016f moru\u0161ov\u00fdch a produkci vysoce kvalitn\u00edho hedv\u00e1b\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bource moru\u0161ov\u00e9ho hedv\u00e1b\u00ed, prim\u00e1rn\u011b housenka bource moru\u0161ov\u00e9ho (Bombyx mori), je fascinuj\u00edc\u00edm p\u0159\u00edkladem specializovan\u00e9ho metabolismu zam\u011b\u0159en\u00e9ho na produkci jednoho z nejcenn\u011bj\u0161\u00edch materi\u00e1l\u016f na sv\u011bt\u011b \u2013 hedv\u00e1b\u00ed. Tento proces je v\u00fdsledkem komplexn\u00ed interakce mezi genetikou, v\u00fd\u017eivou a specifick\u00fdmi metabolick\u00fdmi drahami. P\u0159\u00edjem a zpracov\u00e1n\u00ed potravy Bource moru\u0161ov\u00e9ho se \u017eiv\u00ed v\u00fdhradn\u011b listy moru\u0161e, kter\u00e9 jsou bohat\u00e9 na proteiny, sacharidy<\/p>\n","protected":false},"author":1,"featured_media":89459,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37831],"tags":[],"class_list":["post-122354","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sericulture-cs","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/122354","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/comments?post=122354"}],"version-history":[{"count":0,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/122354\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media\/89459"}],"wp:attachment":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media?parent=122354"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/categories?post=122354"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/tags?post=122354"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}