{"id":8611,"date":"2024-08-14T16:56:39","date_gmt":"2024-08-14T16:56:39","guid":{"rendered":"https:\/\/longchangextracts.com\/?p=8611"},"modified":"2024-08-14T16:56:39","modified_gmt":"2024-08-14T16:56:39","slug":"bacterium-hj-3-in-polygonatum-sibiricum","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/hu\/hj-3-bakterium-a-polygonatum-sibiricumban\/","title":{"rendered":"Egy antagonista HJ-3 endofita bakt\u00e9rium azonos\u00edt\u00e1sa \u00e9s antibakteri\u00e1lis aktivit\u00e1s\u00e1nak vizsg\u00e1lata Polygonatum sibiricumban"},"content":{"rendered":"<p>Egy antagonista HJ-3 endofita bakt\u00e9rium azonos\u00edt\u00e1sa \u00e9s antibakteri\u00e1lis aktivit\u00e1s\u00e1nak vizsg\u00e1lata Polygonatum sibiricumban<br \/>\nAz endofit\u00e1k olyan t\u00edpus\u00fa szervezetek, amelyek eg\u00e9szs\u00e9ges n\u00f6v\u00e9nyi sz\u00f6vetekben \u00e9lnek, \u00e9s hossz\u00fa evol\u00faci\u00f3s id\u0151szak alatt harmonikus szimbiotikus kapcsolatot alak\u00edtanak ki a n\u00f6v\u00e9nyi gazdaszervezettel. A kutat\u00e1sok meg\u00e1llap\u00edtott\u00e1k, hogy a n\u00f6v\u00e9nyekben \u00e9l\u0151 endofita bakt\u00e9riumok nagy lehet\u0151s\u00e9geket rejtenek magukban a n\u00f6v\u00e9nyi betegs\u00e9gek biol\u00f3giai v\u00e9dekez\u00e9s\u00e9ben. Vannak olyan tanulm\u00e1nyok is, amelyek arra utalnak, hogy a n\u00f6v\u00e9nyekben \u00e9l\u0151 endofita bakt\u00e9riumok a gazdaszervezet anyagcsereterm\u00e9keivel azonos vagy azokhoz hasonl\u00f3 anyagcsereterm\u00e9keket termelhetnek, k\u00fcl\u00f6n\u00f6sen a gy\u00f3gy\u00e1szati endofita bakt\u00e9riumok \u00e1ltal termelt egyes anyagcsereterm\u00e9kek, amelyek j\u00f3 ter\u00e1pi\u00e1s hat\u00e1ssal vannak az emberi betegs\u00e9gekre. Olyan betegs\u00e9gek, mint a r\u00e1k, a daganatok, valamint a bakteri\u00e1lis \u00e9s gomb\u00e1s fert\u0151z\u00e9sek ter\u00e1pi\u00e1s szerek\u00e9nt jelentett\u00e9k \u0151ket. Bos \u00e9s munkat\u00e1rsai p\u00e9ld\u00e1ul arr\u00f3l sz\u00e1moltak be, hogy a Heraclium maximum hagyom\u00e1nyos kanadai gy\u00f3gyn\u00f6v\u00e9nyb\u0151l izol\u00e1lt endofita kivonatok mikobakt\u00e9riumellenes aktivit\u00e1ssal rendelkeznek, \u00e9s r\u00e1kellenes term\u00e9szetes term\u00e9kekk\u00e9nt tanulm\u00e1nyozhat\u00f3k; Seo \u00e9s munkat\u00e1rsai pedig azt tal\u00e1lt\u00e1k, hogy a retekben tal\u00e1lhat\u00f3 endofita bakt\u00e9riumok antibakteri\u00e1lis aktivit\u00e1ssal rendelkeznek a k\u00f3rokoz\u00f3kkal szemben, \u00e9s t\u00f6bbek k\u00f6z\u00f6tt biol\u00f3giai v\u00e9dekez\u0151 anyagk\u00e9nt haszn\u00e1lhat\u00f3k emberi \u00e9s n\u00f6v\u00e9nyi k\u00f3rokoz\u00f3k ellen.<\/p>\n<p>A Polygonatum cyrtonema, a Liliaceae csal\u00e1dba tartoz\u00f3 n\u00f6v\u00e9ny, f\u0151k\u00e9nt szteroid szaponinokb\u00f3l \u00e9s Polygonatum poliszacharidokb\u00f3l \u00e1ll. Fontos farmakol\u00f3giai hat\u00e1sa az immunit\u00e1s fokoz\u00e1sa, tumorellenes, hipoglik\u00e9mi\u00e1s \u00e9s antibakteri\u00e1lis tulajdons\u00e1gai. Gy\u00f3gy- \u00e9s ehet\u0151 n\u00f6v\u00e9nyk\u00e9nt sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k a gy\u00f3gy\u00e1szat, az \u00e9lelmiszeripar, a kozmetika stb. ter\u00fclet\u00e9n. A legt\u00f6bb term\u00e9k azonban m\u00e9g mindig a kezdeti feldolgoz\u00e1si szakaszban van, \u00e9s tov\u00e1bbi kutat\u00e1sokra van sz\u00fcks\u00e9g a Polygonatum sibiricum akt\u00edv \u00f6sszetev\u0151ivel kapcsolatban, hogy m\u00e9lyebben feldolgozott Polygonatum sibiricum term\u00e9keket fejlesszenek ki. A Polygonatum sibiricum endofita gomb\u00e1ir\u00f3l kev\u00e9s jelent\u00e9s sz\u00fcletett, p\u00e9ld\u00e1ul Li a Taishan-hegyi Polygonatum sibiricumb\u00f3l izol\u00e1lt antibakteri\u00e1lis hat\u00e1s\u00fa endofita gomb\u00e1kat; Wang a Zhejiang Polygonatum sibiricumb\u00f3l izol\u00e1lt endofita gomb\u00e1kat \u00e9s tanulm\u00e1nyozta antibakteri\u00e1lis metabolitjaikat. A n\u00f6v\u00e9nyekben tal\u00e1lhat\u00f3 endofita bakt\u00e9riumok pedig gazdan\u00f6v\u00e9nyi r\u00e9gi\u00f3k, n\u00f6veked\u00e9si szakaszok, sz\u00f6veti elhelyezked\u00e9sek \u00e9s t\u00edpusok szerint v\u00e1ltoznak. Bai, Zhai \u00e9s t\u00e1rsai a Bacillus subtilis \u00e9s Bacillus subtilis endofita t\u00f6rzseit sz\u0171rte az Anhui Polygonatum sibiricumb\u00f3l, \u00e9s antibakteri\u00e1lis aktivit\u00e1si vizsg\u00e1latokat v\u00e9geztek. Ebben a tanulm\u00e1nyban egy m\u00e1sik, antagonista hat\u00e1s\u00fa HJ-3 endofita t\u00f6rzset izol\u00e1ltak az Anhui tartom\u00e1nybeli Polygonatum sibiricumb\u00f3l. A Polygonatum sibiricum endofita bakt\u00e9riumforr\u00e1sainak gazdag\u00edt\u00e1sa, fejleszt\u00e9se \u00e9s hasznos\u00edt\u00e1sa \u00e9rdek\u00e9ben oszt\u00e1lyozt\u00e1k, azonos\u00edtott\u00e1k, aktivit\u00e1s\u00e1t vizsg\u00e1lt\u00e1k \u00e9s elemezt\u00e9k a metabolitokat.<\/p>\n<p>Az endofita bakt\u00e9riumok sz\u00e1mos gy\u00f3gy\u00e1szati \u00e9rt\u00e9kkel b\u00edr\u00f3 bioakt\u00edv anyagot termelnek a gazdaszervezet\u00fckkel val\u00f3 szimbi\u00f3zis sor\u00e1n, amelyek potenci\u00e1lis \u00e9rt\u00e9ket k\u00e9pviselnek az emberi betegs\u00e9gek, p\u00e9ld\u00e1ul a r\u00e1k, az antibakteri\u00e1lis \u00e9s antioxid\u00e1ns hat\u00e1s\u00fa betegs\u00e9gek megel\u0151z\u00e9s\u00e9ben \u00e9s lek\u00fczd\u00e9s\u00e9ben, valamint a mez\u0151gazdas\u00e1gi k\u00e1rtev\u0151k elleni v\u00e9dekez\u00e9sben. Az endofita bakt\u00e9riumokr\u00f3l sz\u00e1mos kutat\u00e1si jelent\u00e9s sz\u00fcletett mind hazai, mind nemzetk\u00f6zi szinten. Halim \u00e9s munkat\u00e1rsai p\u00e9ld\u00e1ul k\u00e9t endofita bakt\u00e9riumot, a BCA3-at \u00e9s a BCA12-t izol\u00e1lt\u00e1k rizsf\u00f6ldek gy\u00f6kereib\u0151l \u00e9s leveleib\u0151l, \u00e9s meg\u00e1llap\u00edtott\u00e1k, hogy pozit\u00edv antagonista aktivit\u00e1ssal rendelkeznek a bakteri\u00e1lis lev\u00e9lfoltoss\u00e1g (BLB) ellen; a Botrytis cinerea az egyik legfontosabb betakar\u00edt\u00e1s ut\u00e1ni gomb\u00e1s k\u00f3rokoz\u00f3. Chao \u00e9s munkat\u00e1rsai k\u00fcl\u00f6nb\u00f6z\u0151 n\u00f6v\u00e9nyekb\u0151l sz\u00e1rmaz\u00f3 endofita bakt\u00e9riumokat vizsg\u00e1ltak, \u00e9s meg\u00e1llap\u00edtott\u00e1k, hogy biokontroll hat\u00e1suk van a Botrytis cinerea ellen paradicsomban; Az e projektben nyert HJ-3 endofita gomb\u00e1val kapcsolatos vizsg\u00e1lat meg\u00e1llap\u00edtotta, hogy antagonista hat\u00e1ssal van a n\u00f6v\u00e9nypatog\u00e9n gomb\u00e1kra, \u00e9s sz\u00e9les spektrum\u00fa antagonista aktivit\u00e1st mutat. Zhang \u00e9s munkat\u00e1rsai egy sz\u00e9les spektrum\u00fa antagonista bakt\u00e9riumot, az XS-2-t izol\u00e1lt\u00e1k b\u00faza t\u00fcsk\u00e9kb\u0151l, \u00e9s meg\u00e1llap\u00edtott\u00e1k, hogy g\u00e1tl\u00f3 hat\u00e1ssal van hat n\u00f6v\u00e9nyi k\u00f3rokoz\u00f3ra, k\u00f6zt\u00fck a Fusarium graminearumra, a Fusarium head blight (FHB) k\u00f3rokoz\u00f3j\u00e1ra, \u00e9s a Fusarium oxysporumra, a gyapot k\u00f3rokoz\u00f3j\u00e1ra. A g\u00e1tl\u00e1si z\u00f3na 10-29,58 mm k\u00f6z\u00f6tt van, ami \u00e9rt\u00e9kes biol\u00f3giai er\u0151forr\u00e1ss\u00e1 teszi a biol\u00f3giai v\u00e9dekez\u0151 szerek kifejleszt\u00e9s\u00e9hez. Az ebben a vizsg\u00e1latban nyert HJ-3 endofita bakt\u00e9rium ugyanilyen g\u00e1tl\u00f3 hat\u00e1ssal van a n\u00f6v\u00e9nypatog\u00e9n gomb\u00e1kra, p\u00e9ld\u00e1ul a Fusarium graminearumra \u00e9s a Fusarium graminearumra. A k\u00fcl\u00f6nbs\u00e9g az, hogy az endofita bakt\u00e9riumot nem term\u00e9nyekb\u0151l, hanem a Polygonatum sibiricum gy\u00f3gyn\u00f6v\u00e9nyb\u0151l izol\u00e1lt\u00e1k. A tud\u00f3sok kimutatt\u00e1k, hogy az endofita bakt\u00e9riumok izol\u00e1l\u00e1sa n\u00f6v\u00e9nyekb\u0151l, k\u00fcl\u00f6n\u00f6sen egyes gy\u00f3gyn\u00f6v\u00e9nyekb\u0151l, g\u00e1tolhatja a patog\u00e9n bakt\u00e9riumok \u00e9s gomb\u00e1k n\u00f6veked\u00e9s\u00e9t. Ennek oka az lehet, hogy az endofita bakt\u00e9riumok \u00e9s a gy\u00f3gyn\u00f6v\u00e9nyek k\u00f6z\u00f6tti szimbi\u00f3zis sor\u00e1n olyan metabolitok termel\u0151dnek, amelyek g\u00e1tl\u00f3 hat\u00e1ssal vannak a k\u00e1rtev\u0151kre, betegs\u00e9gekre vagy k\u00f3rokoz\u00f3kra. Bai \u00e9s munkat\u00e1rsai a Polygonatum sibiricum gy\u00f3gyn\u00f6v\u00e9nyb\u0151l izol\u00e1lt\u00e1k a HJ-1 \u00e9s HJ-2 endofita t\u00f6rzseket, \u00e9s meg\u00e1llap\u00edtott\u00e1k, hogy ferment\u00e1ci\u00f3s term\u00e9keik j\u00f3 g\u00e1tl\u00f3 hat\u00e1ssal vannak a patog\u00e9n bakt\u00e9riumokra, p\u00e9ld\u00e1ul a Pseudomonas aeruginosa \u00e9s a Staphylococcus aureus bakt\u00e9riumokra. Ebben a tanulm\u00e1nyban a Polygonatum sibiricum gy\u00f3gyn\u00f6v\u00e9nyb\u0151l izol\u00e1lt\u00e1k a HJ-3 endofita t\u00f6rzset, amely szint\u00e9n sz\u00e9lesk\u00f6r\u0171 antibakteri\u00e1lis hat\u00e1st mutatott a gyakori patog\u00e9n bakt\u00e9riumokra. Ez a tanulm\u00e1ny azonban az endofita bakt\u00e9riumok n\u00f6v\u00e9nypatog\u00e9n gomb\u00e1kra gyakorolt antagonista hat\u00e1s\u00e1nak felt\u00e1r\u00e1s\u00e1ra \u00f6sszpontos\u00edtott, ez\u00e1ltal gazdag\u00edtva az endofita bakt\u00e9riumok potenci\u00e1lis alkalmaz\u00e1si \u00e9rt\u00e9k\u00e9t a Polygonatum sibiricumban. A megl\u00e9v\u0151 adatok azt mutatj\u00e1k, hogy a gy\u00f3gyn\u00f6v\u00e9nyek endofita bakt\u00e9riumainak sz\u0171r\u00e9se a gy\u00f3gy\u00e1szati \u00e9rt\u00e9kkel b\u00edr\u00f3 bioakt\u00edv vegy\u00fcletek el\u0151\u00e1ll\u00edt\u00e1sa c\u00e9lj\u00e1b\u00f3l, k\u00fcl\u00f6n\u00f6sen a vesz\u00e9lyeztetett gazdan\u00f6v\u00e9nyek endofita bakt\u00e9riumaib\u00f3l, a bioakt\u00edv vegy\u00fcletek fontos forr\u00e1s\u00e1v\u00e1 v\u00e1lt az \u00faj gy\u00f3gyszerek kifejleszt\u00e9s\u00e9hez.<\/p>\n<p>A projekt c\u00e9lja egy HJ-3 endofita t\u00f6rzs sz\u0171r\u00e9se az Anhui autentikus Polygonatum sibiricum gy\u00f3gyn\u00f6v\u00e9nyb\u0151l. Az el\u0151zetes morfol\u00f3giai azonos\u00edt\u00e1s \u00e9s a 16S rRNS molekul\u00e1ris biol\u00f3giai szekven\u00e1l\u00e1s ut\u00e1n a t\u00f6rzset Bacillus velezensis-k\u00e9nt azonos\u00edtott\u00e1k. A Bacillus thuringiensist sz\u00e9les k\u00f6rben haszn\u00e1lj\u00e1k az ipar, a mez\u0151gazdas\u00e1g \u00e9s a k\u00f6rnyezetv\u00e9delem ter\u00fclet\u00e9n sz\u00e9les spektrum\u00fa antibakteri\u00e1lis aktivit\u00e1sa, a n\u00f6v\u00e9nyek n\u00f6veked\u00e9s\u00e9nek el\u0151seg\u00edt\u00e9se \u00e9s a biofel\u00fcletakt\u00edv anyagk\u00e9nt val\u00f3 potenci\u00e1lja miatt. Takarm\u00e1nyoz\u00e1si mikrobi\u00e1lis hat\u00f3anyagk\u00e9nt is felhaszn\u00e1lhat\u00f3, \u00e9s v\u00e1rhat\u00f3an egyre fontosabb szerepet fog j\u00e1tszani az eg\u00e9szs\u00e9g\u00fcgyben. De ugyanazon faj k\u00fcl\u00f6nb\u00f6z\u0151 t\u00f6rzsei B Velezensis funkcion\u00e1lis k\u00fcl\u00f6nbs\u00e9gekkel rendelkezik, ez\u00e9rt a B. tov\u00e1bbi felt\u00e1r\u00e1sa sz\u00fcks\u00e9ges a term\u00e9szetben A Velezensis t\u00f6rzsforr\u00e1sok \u00faj funkcion\u00e1lis t\u00f6rzseinek kifejleszt\u00e9se \u00e9s felhaszn\u00e1l\u00e1sa. Chi \u00e9s munkat\u00e1rsai szint\u00e9n izol\u00e1lt\u00e1k a Bacillus velezensis ZJKU-3 t\u00f6rzset a Polygonatum multiflorumb\u00f3l, \u00e9s tanulm\u00e1nyozt\u00e1k az endofita bakt\u00e9riumok \u00e9s metabolitjaik antagonista aktivit\u00e1s\u00e1t a Fusarium oxysporummal szemben. Az ebben a vizsg\u00e1latban elk\u00fcl\u00f6n\u00edtett B. A velezensis HJ-3 t\u00f6rzs g\u00e1tl\u00f3 hat\u00e1ssal van a n\u00f6v\u00e9nypatog\u00e9n gomb\u00e1kra, k\u00f6zt\u00fck a Fusarium oxysporum, Fusarium oxysporum, Fusarium oxysporum, Fusarium oxysporum, Fusarium graminearum, Fusarium oxysporum, Fusarium graminearum \u00e9s Fusarium oxysporum mellett. K\u00fcl\u00f6n\u00f6sen a Fusarium oxysporumra van nagyon jelent\u0151s g\u00e1tl\u00f3 hat\u00e1sa, ezt k\u00f6veti a Fusarium oxysporum, Fusarium oxysporum, Fusarium oxysporum, Fusarium oxysporum, Fusarium oxysporum \u00e9s Fusarium oxysporum. L\u00e1that\u00f3, hogy az ebben a vizsg\u00e1latban nyert HJ-3 endofita bakt\u00e9rium sz\u00e9les spektrum\u00fa antagonista aktivit\u00e1ssal rendelkezik a gyakori n\u00f6v\u00e9nypatog\u00e9n gomb\u00e1kkal szemben, \u00e9s kutat\u00e1si eredm\u00e9nyei bizonyos ir\u00e1nymutat\u00f3 jelent\u0151s\u00e9ggel b\u00edrnak a mez\u0151gazdas\u00e1gi k\u00e1rtev\u0151k \u00e9s betegs\u00e9gek biol\u00f3giai v\u00e9dekez\u00e9s\u00e9ben. Ezenk\u00edv\u00fcl a kutat\u00e1s meg\u00e1llap\u00edtotta, hogy a HJ-3 endofita t\u00f6rzs ferment\u00e1ci\u00f3s term\u00e9kei kiterjedt antibakteri\u00e1lis hat\u00e1st mutatnak a gyakori bakt\u00e9riumokra, k\u00fcl\u00f6n\u00f6sen a Staphylococcus aureusra, amely a legjelent\u0151sebb antibakteri\u00e1lis hat\u00e1ssal rendelkezik. A Staphylococcus aureus gyakori klinikai k\u00f3rokoz\u00f3, \u00e9s antibiotikum-rezisztenci\u00e1ja nagyon gyakori. Ez\u00e9rt a hat\u00e9kony antibakteri\u00e1lis gy\u00f3gyszerek, k\u00fcl\u00f6n\u00f6sen a term\u00e9szetes term\u00e9kekb\u0151l sz\u00e1rmaz\u00f3 \u00faj t\u00edpus\u00fa antibakteri\u00e1lis gy\u00f3gyszerek megtal\u00e1l\u00e1sa nagy jelent\u0151s\u00e9ggel b\u00edr a bakteri\u00e1lis betegs\u00e9gek megel\u0151z\u00e9se \u00e9s kezel\u00e9se szempontj\u00e1b\u00f3l, \u00e9s egyben a bakteri\u00e1lis rezisztencia probl\u00e9m\u00e1j\u00e1nak megold\u00e1s\u00e1ra szolg\u00e1l\u00f3 egyik m\u00f3dszer is.<\/p>\n<p>A fenti kutat\u00e1s azt mutatja, hogy a Huangjing hagyom\u00e1nyos k\u00ednai gy\u00f3gy\u00e1szatb\u00f3l kiv\u00e1lasztott HJ-3 endofita t\u00f6rzs jelent\u0151s antagonista hat\u00e1ssal van k\u00fcl\u00f6nb\u00f6z\u0151 n\u00f6v\u00e9nyi patog\u00e9n gomb\u00e1kra, \u00e9s ferment\u00e1ci\u00f3s term\u00e9kei k\u00e9pesek g\u00e1tolni a gyakori bakt\u00e9riumok, p\u00e9ld\u00e1ul az Escherichia coli n\u00f6veked\u00e9s\u00e9t. UPLC-MS\/MS seg\u00edts\u00e9g\u00e9vel 5,5'-metil\u00e9n-bisz (2-tert-butil-4-metilfenol) fenolos vegy\u00fcleteket mutattunk ki az endofita bakt\u00e9riumok ferment\u00e1ci\u00f3s term\u00e9keib\u0151l, \u00e9s h\u00e1rom azonos sorozat\u00fa vegy\u00fcletet kaptunk. A tanulm\u00e1nyban kapott adatok megalapozz\u00e1k a Polygonatum sibiricum endofit\u00e1k ferment\u00e1ci\u00f3s term\u00e9keiben l\u00e9v\u0151 hat\u00f3anyagok tov\u00e1bbi felt\u00e1r\u00e1s\u00e1t, \u00e9s megalapozz\u00e1k a n\u00f6v\u00e9nyi endofita gy\u00f3gyszerek sz\u00e9les k\u00f6r\u0171 alkalmaz\u00e1s\u00e1t.<\/p>","protected":false},"excerpt":{"rendered":"<p>Identification and antibacterial activity study of an antagonistic endophytic bacterium HJ-3 in Polygonatum sibiricum Endophytes are a type of organism that inhabits healthy plant tissues and establishes a harmonious symbiotic relationship with the plant host over a long period of evolution. Research has found that endophytic bacteria in plants have great potential for application in [&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>Identification and antibacterial activity study of an antagonistic endophytic bacterium HJ-3 in Polygonatum sibiricum - 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\/hj-3-bakterium-a-polygonatum-sibiricumban\/\" \/>\n<meta property=\"og:locale\" content=\"hu_HU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Identification and antibacterial activity study of an antagonistic endophytic bacterium HJ-3 in Polygonatum sibiricum - China Chemical Manufacturer\" \/>\n<meta property=\"og:description\" content=\"Identification and antibacterial activity study of an antagonistic endophytic bacterium HJ-3 in Polygonatum sibiricum Endophytes are a type of organism that inhabits healthy plant tissues and establishes a harmonious symbiotic relationship with the plant host over a long period of evolution. 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