{"id":5621,"date":"2024-08-04T20:13:49","date_gmt":"2024-08-04T20:13:49","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=5621"},"modified":"2024-08-04T20:13:49","modified_gmt":"2024-08-04T20:13:49","slug":"dioscorea-zingiberensis","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/hu\/dioscorea-zingiberensis\/","title":{"rendered":"A Dioscorea nipponica fiziol\u00f3giai anyagcser\u00e9j\u00e9nek \u00e9s g\u00e9nexpresszi\u00f3s jellemz\u0151inek elemz\u00e9se alacsony foszforstresszre adott v\u00e1laszk\u00e9nt"},"content":{"rendered":"<p>A Dioscorea nipponica fiziol\u00f3giai anyagcser\u00e9j\u00e9nek \u00e9s g\u00e9nexpresszi\u00f3s jellemz\u0151inek elemz\u00e9se alacsony foszforstresszre adott v\u00e1laszk\u00e9nt<br \/>\nA foszfor, mint a n\u00f6v\u00e9nyek n\u00f6veked\u00e9s\u00e9nek \u00e9s fejl\u0151d\u00e9s\u00e9nek egyik alapvet\u0151 eleme, r\u00e9szt vesz a fotoszint\u00e9zisben, az energia\u00e1talak\u00edt\u00e1sban, a jel\u00e1tvitelben \u00e9s az enzimaktivit\u00e1s szab\u00e1lyoz\u00e1s\u00e1ban, ami jav\u00edthatja a n\u00f6v\u00e9nyek alkalmazkod\u00f3k\u00e9pess\u00e9g\u00e9t a k\u00f6rnyezethez. A n\u00f6v\u00e9nyek sz\u00e1m\u00e1ra a foszfor f\u0151 forr\u00e1sa a talaj, de a talajban a foszfor rossz \u00e1tvitele miatt k\u00f6nnyen megk\u00f6t\u0151dik, ami alacsony biol\u00f3giai hozz\u00e1f\u00e9rhet\u0151s\u00e9get eredm\u00e9nyez. B\u00e1r a foszfortr\u00e1gya alkalmaz\u00e1sa enyh\u00edtheti a rendelkez\u00e9sre \u00e1ll\u00f3 foszfor hi\u00e1ny\u00e1t, a foszfor hajlamos a talajban l\u00e9v\u0151 vas-, alum\u00ednium-, kalciumionokkal vagy talajr\u00e9szecsk\u00e9kkel egyes\u00fclni, ami megnehez\u00edti a n\u00f6v\u00e9nyek sz\u00e1m\u00e1ra a felv\u00e9telt. Ezen t\u00falmen\u0151en a foszf\u00e1ttr\u00e1gya t\u00falzott alkalmaz\u00e1sa nemcsak a foszf\u00e1t\u00e9rcek kimer\u00fcl\u00e9s\u00e9t s\u00falyosb\u00edtja, hanem k\u00f6rnyezetszennyez\u00e9si probl\u00e9m\u00e1kat is okoz, p\u00e9ld\u00e1ul a k\u00f6rnyez\u0151 v\u00edztestek eutrofiz\u00e1ci\u00f3j\u00e1t. Ez\u00e9rt s\u00fcrg\u0151sen meg kell vizsg\u00e1lni a n\u00f6v\u00e9nyek v\u00e1laszmechanizmus\u00e1t az alacsony foszforstressz alatt, valamint sz\u0171rni \u00e9s termeszteni kell az alacsony foszfort\u0171r\u00e9s\u0171 fajt\u00e1kat. Alacsony foszforstressz eset\u00e9n a n\u00f6v\u00e9nyek a fenot\u00edpusos jellemz\u0151k \u00e9s a fiziol\u00f3giai anyagcsere szab\u00e1lyoz\u00e1s\u00e1val reag\u00e1lnak az alacsony foszforszint\u0171 jelekre, hogy megv\u00e1ltoztass\u00e1k a foszfor form\u00e1j\u00e1t \u00e9s n\u00f6velj\u00e9k a n\u00f6v\u00e9nyi foszforfelv\u00e9telt. A n\u00f6v\u00e9nyi gy\u00f6k\u00e9rrendszer az ACP kiv\u00e1laszt\u00e1s\u00e1val fokozza a savas foszfat\u00e1z (ACP) aktivit\u00e1s\u00e1t a rizoszf\u00e9ra talaj\u00e1ban, el\u00e9rve a talajban l\u00e9v\u0151 oldhatatlan szerves foszfor aktiv\u00e1l\u00e1s\u00e1t \u00e9s hasznos\u00edt\u00e1s\u00e1t. Az ACP egy hidrolitikus enzim, amely k\u00e9pes hidroliz\u00e1lni a monofoszf\u00e1t k\u00f6t\u00e9seket, hogy felszabad\u00edtsa a szervetlen foszfort. \u00c1ltal\u00e1ban az ACP-aktivit\u00e1s n\u00f6veked\u00e9s\u00e9t tekintik az egyik fontos mechanizmusnak, amellyel a n\u00f6v\u00e9nyek reag\u00e1lnak az alacsony foszforstresszre. Ezenk\u00edv\u00fcl a n\u00f6v\u00e9nyi gy\u00f6kerek \u00e9s az antioxid\u00e1ns rendszerek fejl\u0151d\u00e9se is megv\u00e1ltozik az alacsony foszforstresszre adott v\u00e1laszk\u00e9nt.<\/p>\n<p>A n\u00f6veked\u00e9s \u00e9s fejl\u0151d\u00e9s hossz\u00fa folyamata sor\u00e1n a n\u00f6v\u00e9nyek saj\u00e1t mechanizmusokat fejlesztenek ki az alacsony foszforszintnek val\u00f3 ellen\u00e1ll\u00e1sra. Alacsony foszforstressz eset\u00e9n a n\u00f6v\u00e9nyek egy sor g\u00e9nexpresszi\u00f3s szint megv\u00e1ltoztat\u00e1s\u00e1val szab\u00e1lyozz\u00e1k fiziol\u00f3giai \u00e9s biok\u00e9miai folyamataikat annak \u00e9rdek\u00e9ben, hogy gyorsan alkalmazkodjanak az alacsony foszfortartalm\u00fa k\u00f6rnyezethez \u00e9s meghosszabb\u00edts\u00e1k t\u00fal\u00e9l\u00e9si idej\u00fcket. A transzkriptom szekven\u00e1l\u00e1si technol\u00f3gia (RNA Seq) k\u00e9pes a sz\u00f6vetek g\u00e9n\u00e1t\u00edr\u00e1s\u00e1t, lokaliz\u00e1ci\u00f3j\u00e1t \u00e9s annot\u00e1ci\u00f3j\u00e1t tanulm\u00e1nyozni meghat\u00e1rozott k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt, \u00e9s hat\u00e9kony eszk\u00f6z a n\u00f6v\u00e9nyi fiziol\u00f3giai folyamatok molekul\u00e1ris mechanizmusainak tanulm\u00e1nyoz\u00e1s\u00e1ra. Jelenleg az RNS Seq-t sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k a k\u00fcls\u0151 stresszre adott n\u00f6v\u00e9nyi v\u00e1lasz molekul\u00e1ris mechanizmus\u00e1nak kutat\u00e1s\u00e1ban, nagym\u00e9rt\u00e9kben el\u0151seg\u00edtve a n\u00f6v\u00e9nyi stresszellen\u00e1ll\u00e1s molekul\u00e1ris mechanizmus\u00e1nak kutat\u00e1si el\u0151rehalad\u00e1s\u00e1t. Ez\u00e9rt az RNS Seq haszn\u00e1lata az alacsony foszforstresszel szembeni n\u00f6v\u00e9nyi tolerancia molekul\u00e1ris mechanizmusainak vizsg\u00e1lat\u00e1ra nagy jelent\u0151s\u00e9ggel b\u00edr a n\u00f6v\u00e9nyekben az alacsony foszforstresszre reag\u00e1l\u00f3 metabolikus \u00fatvonalak keres\u00e9se \u00e9s az alacsony foszforstresszre reag\u00e1l\u00f3 potenci\u00e1lis kulcsg\u00e9nek sz\u0171r\u00e9se szempontj\u00e1b\u00f3l.<\/p>\n<p>A Dioscorea zingiberensis C.H. Wright a Dioscoreaceae csal\u00e1dba tartoz\u00f3 n\u00f6v\u00e9nyfaj, k\u00f6zismert nev\u00e9n gy\u00f6mb\u00e9r vagy t\u0171zgy\u00f6k\u00e9r. A Dioscorea opposita K\u00edn\u00e1ban egyed\u00fcl\u00e1ll\u00f3 fajta, \u00e9s a vil\u00e1gon a legmagasabb diosgenin-tartalm\u00fa n\u00f6v\u00e9ny. A Dioscorea nipponica fontos gy\u00f3gyn\u00f6v\u00e9ny a diosgenin kivon\u00e1s\u00e1ra, valamint fontos alapanyag a szteroid hormongy\u00f3gyszerek szint\u00e9zis\u00e9hez. Ezenk\u00edv\u00fcl a Dioscorea opposita klinikai gy\u00f3gyszer a sz\u00edv- \u00e9s \u00e9rrendszeri \u00e9s agyi betegs\u00e9gek kezel\u00e9s\u00e9re, ami nagyban el\u0151seg\u00edti a Dioscorea opposita kapcsol\u00f3d\u00f3 ipar\u00e1gainak fejl\u0151d\u00e9s\u00e9t. Kor\u00e1bbi tanulm\u00e1nyok meg\u00e1llap\u00edtott\u00e1k, hogy a Dioscorea nipponica hossz\u00fa t\u00e1v\u00fa termeszt\u00e9se cs\u00f6kkentheti a talaj rendelkez\u00e9sre \u00e1ll\u00f3 foszfortartalm\u00e1t, ami alacsony foszforstresszt okoz, \u00e9s akad\u00e1lyozza a Dioscorea nipponica n\u00f6v\u00e9nyek n\u00f6veked\u00e9s\u00e9t \u00e9s fejl\u0151d\u00e9s\u00e9t, befoly\u00e1solva a szteroid szaponinok szint\u00e9zis\u00e9t. Jelenleg nem sz\u00e1moltak be az alacsony foszforstressznek a Dioscorea nipponica n\u00f6veked\u00e9s\u00e9re \u00e9s szteroid szaponin metabolizmus\u00e1ra gyakorolt hat\u00e1sair\u00f3l. Ez\u00e9rt a kor\u00e1bbi k\u00eds\u00e9rleti eredm\u00e9nyek alapj\u00e1n ez a tanulm\u00e1ny a Henan tartom\u00e1nybeli Nanyangb\u00f3l sz\u00e1rmaz\u00f3 Dioscorea nipponica-t v\u00e1lasztotta kutat\u00e1si t\u00e1rgynak, \u00e9s a szervetlen foszfor oszt\u00e1lyoz\u00f3 tartalma alapj\u00e1n \u00e9rt\u00e9kelte a Dioscorea nipponica szteroid szaponin \u00f6sszetev\u0151inek fiziol\u00f3giai v\u00e1ltoz\u00e1sait \u00e9s metabolikus jellemz\u0151it alacsony foszforstressz alatt, a gy\u00f6k\u00e9rfejl\u0151d\u00e9st, a rizoszf\u00e9ra m\u00e1trix savas foszfat\u00e1z (S-ACP) aktivit\u00e1s\u00e1t, a n\u00f6v\u00e9nyi peroxid\u00e1z (POD) \u00e9s szuperoxid-dizmut\u00e1z (SOD) aktivit\u00e1s\u00e1t, valamint a szteroid szaponin komponensek tartalm\u00e1t a k\u00fcl\u00f6nb\u00f6z\u0151 r\u00e9szekben. A transzkriptom szekven\u00e1l\u00e1si technol\u00f3gi\u00e1t haszn\u00e1ltuk a Dioscorea nipponica n\u00f6v\u00e9nyben a legfontosabb fiziol\u00f3giai v\u00e1ltoz\u00e1sok \u00e9s a szteroid szaponin komponensek metabolikus jellemz\u0151inek vizsg\u00e1lat\u00e1ra alacsony foszforstressz alatt. Elemezz\u00fck a Dioscorea opposita k\u00fcl\u00f6nb\u00f6z\u0151 sz\u00f6veti r\u00e9szeinek g\u00e9nexpresszi\u00f3s jellemz\u0151it az adott id\u0151szakban, ami alapot ny\u00fajt a Dioscorea opposita alacsony foszforstresszre adott v\u00e1lasz\u00e1nak molekul\u00e1ris mechanizmus\u00e1val kapcsolatos tov\u00e1bbi kutat\u00e1sokhoz.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5622\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/1-162.png\" alt=\"\" width=\"761\" height=\"496\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5623\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/2-149.png\" alt=\"\" width=\"748\" height=\"202\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5624\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/3-140.png\" alt=\"\" width=\"758\" height=\"470\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5625\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/4-125.png\" alt=\"\" width=\"748\" height=\"399\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5626\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/5-112.png\" alt=\"\" width=\"768\" height=\"263\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5627\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/6-104.png\" alt=\"\" width=\"781\" height=\"209\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/6-104.png 781w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/6-104-768x206.png 768w\" sizes=\"(max-width: 781px) 100vw, 781px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5628\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/7-94.png\" alt=\"\" width=\"779\" height=\"238\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/7-94.png 779w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/7-94-768x235.png 768w\" sizes=\"(max-width: 779px) 100vw, 779px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5629\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/8-87.png\" alt=\"\" width=\"765\" height=\"441\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5630\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/9-81.png\" alt=\"\" width=\"778\" height=\"302\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/9-81.png 778w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/9-81-768x298.png 768w\" sizes=\"(max-width: 778px) 100vw, 778px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5631\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/10-63.png\" alt=\"\" width=\"764\" height=\"295\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5632\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/11-58.png\" alt=\"\" width=\"766\" height=\"536\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5633\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/12-47.png\" alt=\"\" width=\"772\" height=\"529\" srcset=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/12-47.png 772w, https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/12-47-768x526.png 768w\" sizes=\"(max-width: 772px) 100vw, 772px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5634\" src=\"https:\/\/longchangextracts.com\/wp-content\/uploads\/2024\/08\/13-41.png\" alt=\"\" width=\"767\" height=\"530\" \/><br \/>\nA n\u00f6v\u00e9nyek n\u00f6veked\u00e9se a g\u00e9nek \u00e9s a k\u00f6rnyezet egy\u00fcttes hat\u00e1s\u00e1nak eredm\u00e9nye. Alacsony foszforstressz eset\u00e9n a n\u00f6v\u00e9nyek a szervezet\u00fckben l\u00e9v\u0151 jelreceptorokon kereszt\u00fcl kapj\u00e1k a talaj foszforhi\u00e1ny\u00e1nak jeleit. A komplex jel\u00e1tvitel r\u00e9v\u00e9n az alacsony foszforstresszel kapcsolatos g\u00e9nek kifejez\u0151d\u00e9s\u00e9t ind\u00edtj\u00e1k el a szervezet\u00fckben, szab\u00e1lyozz\u00e1k a n\u00f6v\u00e9nyek fiziol\u00f3giai \u00e9s biok\u00e9miai folyamatait, \u00e9s v\u00e9g\u00fcl egy sor morfol\u00f3giai \u00e9s fiziol\u00f3giai biok\u00e9miai jellemz\u0151t mutatnak v\u00e1laszul az alacsony foszforstresszre. Ebben a k\u00eds\u00e9rletben a Dioscorea opposita k\u00fcl\u00f6nb\u00f6z\u0151 r\u00e9szeinek alacsony foszforstressz \u00e9s k\u00fcl\u00f6nb\u00f6z\u0151 foszforkoncentr\u00e1ci\u00f3k alatti v\u00e1laszjellemz\u0151it elemezt\u00fck t\u00f6bb mutat\u00f3 alapj\u00e1n, mint p\u00e9ld\u00e1ul a f\u00f6ld alatti r\u00e9sz fejl\u0151d\u00e9si jellemz\u0151i, a SOD \u00e9s POD aktivit\u00e1s a k\u00fcl\u00f6nb\u00f6z\u0151 r\u00e9szekben, az S-ACP aktivit\u00e1s a rizoszf\u00e9ra m\u00e1trixban, valamint a foszfortartalom \u00e9s a morfol\u00f3gia a rizoszf\u00e9ra m\u00e1trixban. A vizsg\u00e1lat kimutatta, hogy a k\u00f6nnyen hasznos\u00edthat\u00f3 foszfor, mint p\u00e9ld\u00e1ul az Al-P, Fe-P \u00e9s a rendelkez\u00e9sre \u00e1ll\u00f3 foszfor tartalma a norm\u00e1l csoportban magasabb volt, mint a s\u00falyos stresszcsoportban, k\u00fcl\u00f6n\u00f6sen az Al-P tartalom cs\u00f6kkent a norm\u00e1l csoportban, a m\u00e9rs\u00e9kelt stresszcsoportban \u00e9s a s\u00falyos stresszcsoportban egym\u00e1s ut\u00e1n. Ezenk\u00edv\u00fcl a Dioscorea opposita \u00f6t sz\u00f6vetr\u00e9sz\u00e9ben a POD-aktivit\u00e1s minden egyes stresszcsoportban \u00e1ltal\u00e1ban magasabb volt, mint a norm\u00e1l csoport\u00e9, \u00e9s a savas foszfat\u00e1z aktivit\u00e1sa a rizoszf\u00e9ra m\u00e1trix\u00e1ban a s\u00falyos stresszcsoportban mindh\u00e1rom szakaszban szignifik\u00e1nsan magasabb volt, mint a norm\u00e1l csoport\u00e9. Ez \u00f6sszhangban van azzal a foszfor\u00e9hs\u00e9gre adott v\u00e1lasszal, amelyet a n\u00f6v\u00e9nyek a talaj foszforhi\u00e1nyos \u00e1llapot\u00e1ban mutatnak; tov\u00e1bb\u00e1 a kutat\u00e1si eredm\u00e9nyek azt mutatj\u00e1k, hogy a Dioscorea opposita alacsony foszforstresszre adott v\u00e1lasza a n\u00f6veked\u00e9s \u00e9s fejl\u0151d\u00e9s korai szakasz\u00e1ban sokkal nyilv\u00e1nval\u00f3bb. A k\u00e9s\u0151bbi szakaszban, ahogy a Dioscorea opposita alkalmazkodik az alacsony foszforstresszk\u00f6rnyezethez, a v\u00e1lasz fokozatosan gyeng\u00fcl, \u00e9s a v\u00e1lasz jellemz\u0151i \u00e1ltal\u00e1ban k\u00f6vetkezetesek. Ez bizonyos m\u00e9rt\u00e9kig azt jelzi, hogy a Dioscorea opposita alacsony foszforstresszre adott v\u00e1lasza \u00e9s szab\u00e1lyoz\u00e1sa \u00f6sszetett dinamikus folyamat.<\/p>\n<p>Az anyagcsere szab\u00e1lyoz\u00e1sa fontos mechanizmusa a n\u00f6v\u00e9nyeknek az alacsony foszforstresszhez val\u00f3 alkalmazkod\u00e1shoz, \u00e9s a szteroid szaponinok a Dioscorea opposita f\u0151 m\u00e1sodlagos anyagcsereterm\u00e9kei \u00e9s hat\u00f3anyagai. E tanulm\u00e1ny eredm\u00e9nyei azt mutatj\u00e1k, hogy az alacsony foszforstressz befoly\u00e1solja a Dioscorea opposita szteroid szaponinjainak szint\u00e9zis\u00e9t, \u00e9s az \u00e9lettani jellemz\u0151kh\u00f6z hasonl\u00f3an a k\u00fcl\u00f6nb\u00f6z\u0151 kezel\u00e9sek sor\u00e1n a k\u00fcl\u00f6nb\u00f6z\u0151 n\u00f6v\u00e9nyi r\u00e9szekben l\u00e9v\u0151 szteroid szaponinok elt\u00e9r\u00e9sei f\u0151k\u00e9nt a stressz korai szakasz\u00e1ban jelentkeznek. A Dioscorea opposita alacsony foszforstresszre adott v\u00e1laszreakci\u00f3inak tov\u00e1bbi genetikai szint\u0171 felt\u00e1r\u00e1sa \u00e9rdek\u00e9ben ez a tanulm\u00e1ny a Dioscorea opposita riz\u00f3m\u00e1inak, leveleinek \u00e9s f\u00f6ld feletti sz\u00e1r\u00e1nak k\u00fcl\u00f6nb\u00f6z\u0151 kezel\u00e9sek sor\u00e1n a stressz korai szakasz\u00e1ban a g\u00e9nexpresszi\u00f3s jellemz\u0151it elemezte. Meg\u00e1llap\u00edtottuk, hogy az alacsony foszforstresszre adott v\u00e1laszk\u00e9nt potenci\u00e1lisan differenci\u00e1lisan expressz\u00e1l\u00f3d\u00f3 g\u00e9nek f\u0151k\u00e9nt a szerves savak, az inozitol, a terpenoid v\u00e1zak \u00e9s t\u00f6bb anyagcsere-\u00fatvonal, p\u00e9ld\u00e1ul a foszf\u00e1t bioszint\u00e9zis\u00e9ben vesznek r\u00e9szt. Ez \u00f6sszhangban van az S-ACP fokozott aktivit\u00e1s\u00e1val a rizoszf\u00e9ra m\u00e1trix\u00e1ban, az inozitol r\u00e9szv\u00e9tel\u00e9vel a n\u00f6v\u00e9nyi jel\u00e1tvitelben \u00e9s a stresszszab\u00e1lyoz\u00e1sban, a terpenoidok fontos szerep\u00e9vel a n\u00f6v\u00e9nyek stresszel szembeni ellen\u00e1ll\u00f3 k\u00e9pess\u00e9g\u00e9ben, a foszf\u00e1ttranszportert (PHT) k\u00f3dol\u00f3 g\u00e9nek fontos szerep\u00e9vel a n\u00f6v\u00e9nyi n\u00f6veked\u00e9s \u00e9s fejl\u0151d\u00e9s, a gy\u00f6k\u00e9rmorfogenezis \u00e9s a foszforegyens\u00faly szab\u00e1lyoz\u00e1s\u00e1ban.<br \/>\nA szakirodalmi kutat\u00e1sok arr\u00f3l sz\u00e1molnak be, hogy a Dioscorea opposita diosgeninje f\u0151k\u00e9nt a levelekben szintetiz\u00e1l\u00f3dik, \u00e9s a glikozil\u00e1ci\u00f3 ut\u00e1n t\u00f6bb v\u00edzoldhat\u00f3 szaponin keletkezik, amelyek a riz\u00f3m\u00e1kba ker\u00fclnek t\u00e1rol\u00e1sra, ami arra utal, hogy a levelek lehetnek a szaponin komponensek f\u0151 szint\u00e9zis\u00e9nek helysz\u00ednei, m\u00edg a riz\u00f3m\u00e1k a t\u00e1rol\u00e1s helye. Ebben a vizsg\u00e1latban az alacsony foszforstressz ut\u00e1n az egyes kezel\u00e9si csoportokban a differenci\u00e1lisan kifejez\u0151d\u0151 g\u00e9nek legjelent\u0151sebb gazdagod\u00e1s\u00e1t mutat\u00f3 20 \u00fatvonal k\u00f6z\u00fcl a levelekben a legjelent\u0151sebb gazdagod\u00e1ssal rendelkez\u0151 \u00fatvonalak a pent\u00f3z-foszf\u00e1t \u00fatvonal, a szeszkiterp\u00e9nek \u00e9s triterpenoidok, valamint az inozitol-bioszint\u00e9zis, m\u00edg a riz\u00f3m\u00e1kban a legjelent\u0151sebb gazdagod\u00e1ssal rendelkez\u0151 \u00fatvonalak a kem\u00e9ny\u00edt\u0151- \u00e9s szachar\u00f3z-anyagcsere, az indol-alkaloidok bioszint\u00e9zise stb. voltak. A vizsg\u00e1lat meg\u00e1llap\u00edtotta, hogy a szteroid szaponinok szint\u00e9zis\u00e9ben r\u00e9szt vev\u0151 g\u00e9nek a mevalonsav (MVA) \u00fatvonalhoz, a 2-metil-D-eritritol-4-foszf\u00e1t (MEP) \u00fatvonalhoz \u00e9s a terpenoidok szint\u00e9zis\u00e9ben r\u00e9szt vev\u0151 koleszterin bioszint\u00e9zis \u00fatvonalhoz kapcsol\u00f3dnak. Ez tov\u00e1bb er\u0151s\u00edti, hogy a Dioscorea nipponica szaponinok szint\u00e9zis\u00e9nek f\u0151 helysz\u00edne a lev\u00e9l lehet. Ez\u00e9rt val\u00f3s idej\u0171 fluoreszcens kvantitat\u00edv qRT PCR technol\u00f3gi\u00e1val ellen\u0151rizhet\u0151, hogy a levelekben a szaponinok szint\u00e9zis\u00e9vel kapcsolatos g\u00e9nek hogyan reag\u00e1lnak az alacsony foszforstresszre. A terpenoidv\u00e1zak, szerves savak \u00e9s inozitol bioszint\u00e9zis\u00e9ben r\u00e9szt vev\u0151, differenci\u00e1lisan expressz\u00e1l\u00f3d\u00f3 g\u00e9nek expresszi\u00f3s mint\u00e1zata a Dioscorea nipponica leveleiben alacsony foszforstressz alatt tov\u00e1bb azonos\u00edthat\u00f3, jellemezhet\u0151 \u00e9s funkcion\u00e1lisan elemezhet\u0151 a n\u00f6v\u00e9nyi foszfor\u00e9hs\u00e9ggel val\u00f3 kapcsolatuk felt\u00e1r\u00e1sa \u00e9rdek\u00e9ben. A v\u00e1lasz \u00e9s a szteroid szaponin szint\u00e9zis k\u00f6z\u00f6tti \u00f6sszef\u00fcgg\u00e9s megalapozza a Dioscorea nipponica alacsony foszfort\u0171r\u00e9s\u00e9nek szab\u00e1lyoz\u00e1si mechanizmus\u00e1t.<\/p>","protected":false},"excerpt":{"rendered":"<p>Analysis of physiological metabolism and gene expression characteristics of Dioscorea nipponica in response to low phosphorus stress Phosphorus, as one of the essential elements for plant growth and development, participates in photosynthesis, energy conversion, signal transduction, and enzyme activity regulation, which can improve plant adaptability to the environment. The main source of phosphorus for plants [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Analysis of physiological metabolism and gene expression characteristics of Dioscorea nipponica in response to low phosphorus stress - China Chemical Manufacturer<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/hu\/dioscorea-zingiberensis\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Analysis of physiological metabolism and gene expression characteristics of Dioscorea nipponica in response to low phosphorus stress - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Analysis of physiological metabolism and gene expression characteristics of Dioscorea nipponica in response to low phosphorus stress Phosphorus, as one of the essential elements for plant growth and development, participates in photosynthesis, energy conversion, signal transduction, and enzyme activity regulation, which can improve plant adaptability to the environment. 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