“`html<\/p>\n
L\u00e1 \u0111\u00f3ng vai tr\u00f2 trung t\u00e2m trong \u0111\u1eddi s\u1ed1ng c\u1ee7a th\u1ef1c v\u1eadt b\u1eb1ng c\u00e1ch h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng thi\u1ebft y\u1ebfu. S\u1ef1 l\u00e3o h\u00f3a c\u1ee7a l\u00e1, \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u b\u1edfi s\u1ef1 suy tho\u00e1i d\u1ea7n d\u1ea7n c\u1ee7a c\u00e1c t\u1ebf b\u00e0o v\u00e0 m\u00f4, l\u00e0 m\u1ed9t giai \u0111o\u1ea1n quan tr\u1ecdng trong s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a th\u1ef1c v\u1eadt. Qu\u00e1 tr\u00ecnh n\u00e0y, th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u1eadn bi\u1ebft qua hi\u1ec7n t\u01b0\u1ee3ng l\u00e1 chuy\u1ec3n sang m\u00e0u v\u00e0ng do s\u1ef1 bi\u1ebfn m\u1ea5t c\u1ee7a di\u1ec7p l\u1ee5c, cho ph\u00e9p c\u00e2y t\u00e1i ch\u1ebf c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng \u0111\u1ebfn c\u00e1c c\u01a1 quan \u0111ang ph\u00e1t tri\u1ec3n ho\u1eb7c d\u1ef1 tr\u1eef. \u1ede c\u00e1c lo\u00e0i c\u00e2y h\u00e0ng n\u0103m nh\u01b0 \u0111\u1eadu n\u00e0nh, l\u00faa hay ng\u00f4, n\u00f3 d\u1eabn \u0111\u1ebfn c\u00e1i ch\u1ebft c\u1ee7a to\u00e0n b\u1ed9 c\u01a1 th\u1ec3, trong khi \u1edf c\u00e1c lo\u00e0i c\u00e2y r\u1ee5ng l\u00e1, n\u00f3 chu\u1ea9n b\u1ecb cho s\u1ef1 r\u1ee5ng l\u00e1 v\u00e0o m\u00f9a thu \u0111\u1ec3 th\u00edch nghi t\u1ed1t h\u01a1n v\u1edbi m\u00f9a \u0111\u00f4ng.<\/p>\n
S\u1ef1 l\u00e3o h\u00f3a c\u1ee7a l\u00e1 kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o tu\u1ed5i th\u1ecd. N\u00f3 c\u00f2n b\u1ecb \u0111\u1ea9y nhanh b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i nh\u01b0 h\u1ea1n h\u00e1n, thi\u1ebfu h\u1ee5t nit\u01a1 ho\u1eb7c carbon, s\u1ef1 t\u1ea5n c\u00f4ng c\u1ee7a m\u1ea7m b\u1ec7nh, hay c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t v\u1ec1 nhi\u1ec7t \u0111\u1ed9, \u00e1nh s\u00e1ng ho\u1eb7c \u0111\u1ed9 m\u1eb7n. Nh\u1eefng stress n\u00e0y k\u00edch ho\u1ea1t c\u00e1c t\u00edn hi\u1ec7u hormone ph\u1ee9c t\u1ea1p, trong \u0111\u00f3 c\u00f3 axit abscisic, m\u1ed9t hormone ch\u1ee7 ch\u1ed1t \u0111i\u1ec1u ch\u1ec9nh c\u1ea3 ph\u1ea3n \u1ee9ng v\u1edbi stress v\u00e0 s\u1ef1 l\u00e3o h\u00f3a. D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a hormone n\u00e0y, c\u00e1c gen \u0111\u1eb7c hi\u1ec7u \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, kh\u1edfi \u0111\u1ed9ng qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y di\u1ec7p l\u1ee5c, s\u1ea3n xu\u1ea5t anthocyanin v\u00e0 t\u00e1i ch\u1ebf c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng.<\/p>\n
C\u00e1c c\u01a1 ch\u1ebf ph\u00e2n t\u1eed ho\u1ea1t \u0111\u1ed9ng r\u1ea5t tinh vi v\u00e0 li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u1edbi nhau. V\u00ed d\u1ee5, axit abscisic t\u00e1c \u0111\u1ed9ng \u0111\u1ed3ng b\u1ed9 v\u1edbi c\u00e1c hormone kh\u00e1c nh\u01b0 ethylene hay axit jasmonic, c\u00f9ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 nh\u1ea1y c\u1ea3m c\u1ee7a l\u00e1 \u0111\u1ed1i v\u1edbi s\u1ef1 l\u00e3o h\u00f3a. C\u00e1c protein nh\u01b0 c\u00e1c y\u1ebfu t\u1ed1 phi\u00ean m\u00e3 NAC, hay c\u00e1c peptide nh\u01b0 CLE14, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh bi\u1ec3u hi\u1ec7n c\u1ee7a c\u00e1c gen li\u00ean quan \u0111\u1ebfn l\u00e3o h\u00f3a. CLE14, ch\u1eb3ng h\u1ea1n, l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh n\u00e0y b\u1eb1ng c\u00e1ch k\u00edch th\u00edch lo\u1ea1i b\u1ecf c\u00e1c lo\u00e0i oxy ph\u1ea3n \u1ee9ng, nh\u1eefng ph\u00e2n t\u1eed \u0111\u1ed9c h\u1ea1i t\u00edch t\u1ee5 d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a stress.<\/p>\n
Thi\u1ebfu h\u1ee5t n\u01b0\u1edbc, cho d\u00f9 l\u00e0 h\u1ea1n h\u00e1n hay ng\u1eadp \u00fang, \u0111\u1ec1u minh h\u1ecda r\u00f5 s\u1ef1 ph\u1ee9c t\u1ea1p n\u00e0y. Trong tr\u01b0\u1eddng h\u1ee3p h\u1ea1n h\u00e1n, axit abscisic g\u00e2y ra s\u1ef1 \u0111\u00f3ng kh\u00ed kh\u1ed5ng, c\u00e1c l\u1ed7 tr\u00ean l\u00e1, \u0111\u1ec3 h\u1ea1n ch\u1ebf m\u1ea5t n\u01b0\u1edbc, \u0111\u1ed3ng th\u1eddi k\u00edch ho\u1ea1t c\u00e1c t\u00edn hi\u1ec7u l\u00e3o h\u00f3a. Ng\u01b0\u1ee3c l\u1ea1i, th\u1eeba n\u01b0\u1edbc trong \u0111\u1ea5t l\u00e0m ng\u1ea1t r\u1ec5, gi\u1ea3m kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 oxy v\u00e0 l\u00e0m r\u1ed1i lo\u1ea1n chuy\u1ec3n h\u00f3a carbon. L\u00e1, b\u1ecb thi\u1ebfu h\u1ee5t ngu\u1ed3n cung c\u1ea5p, s\u1ebd k\u00edch ho\u1ea1t c\u00e1c c\u01a1 ch\u1ebf sinh t\u1ed3n \u0111\u1ea9y nhanh s\u1ef1 suy tho\u00e1i c\u1ee7a ch\u00ednh m\u00ecnh.<\/p>\n
Thi\u1ebfu h\u1ee5t nit\u01a1 ho\u1eb7c \u0111\u01b0\u1eddng c\u0169ng c\u00f3 nh\u1eefng t\u00e1c \u0111\u1ed9ng t\u01b0\u01a1ng t\u1ef1. Thi\u1ebfu nit\u01a1 k\u00edch ho\u1ea1t c\u00e1c y\u1ebfu t\u1ed1 phi\u00ean m\u00e3 nh\u01b0 ORE1, \u0111\u1ea9y nhanh s\u1ef1 l\u00e3o h\u00f3a \u0111\u1ec3 ph\u00e2n ph\u1ed1i l\u1ea1i c\u00e1c ngu\u1ed3n l\u1ef1c \u0111\u1ebfn c\u00e1c c\u01a1 quan thi\u1ebft y\u1ebfu. T\u01b0\u01a1ng t\u1ef1, th\u1eeba ho\u1eb7c thi\u1ebfu \u0111\u01b0\u1eddng l\u00e0m m\u1ea5t c\u00e2n b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng c\u1ee7a c\u00e2y, kh\u1edfi \u0111\u1ed9ng c\u00e1c ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e2n h\u1ee7y s\u1edbm c\u1ee7a l\u00e1. C\u00e1c ch\u1ea5t v\u1eadn chuy\u1ec3n \u0111\u01b0\u1eddng nh\u01b0 OsSWEET1b \u1edf l\u00faa, hay c\u00e1c enzyme nh\u01b0 hexokinase, \u0111\u00f3ng vai tr\u00f2 tr\u1ef1c ti\u1ebfp trong qu\u00e1 tr\u00ecnh n\u00e0y.<\/p>\n
Stress v\u00f4 sinh kh\u00f4ng ph\u1ea3i l\u00e0 nguy\u00ean nh\u00e2n duy nh\u1ea5t. S\u1ef1 t\u1ea5n c\u00f4ng c\u1ee7a m\u1ea7m b\u1ec7nh ho\u1eb7c c\u00f4n tr\u00f9ng c\u0169ng k\u00edch ho\u1ea1t c\u00e1c ph\u1ea3n \u1ee9ng mi\u1ec5n d\u1ecbch, n\u1ebfu qu\u00e1 m\u1ea1nh m\u1ebd, c\u00f3 th\u1ec3 l\u00e0m c\u1ea1n ki\u1ec7t ngu\u1ed3n l\u1ef1c c\u1ee7a c\u00e2y v\u00e0 \u0111\u1ea9y nhanh s\u1ef1 l\u00e3o h\u00f3a. Axit salicylic, m\u1ed9t hormone quan tr\u1ecdng trong h\u1ec7 th\u1ed1ng ph\u00f2ng v\u1ec7 c\u1ee7a th\u1ef1c v\u1eadt, c\u0169ng l\u00e0 m\u1ed9t ch\u1ea5t x\u00fac t\u00e1c m\u1ea1nh m\u1ebd cho s\u1ef1 l\u00e3o h\u00f3a. S\u1ef1 t\u00edch t\u1ee5 c\u1ee7a n\u00f3 trong l\u00e1 b\u1ecb nhi\u1ec5m b\u1ec7nh k\u00edch th\u00edch s\u1ea3n xu\u1ea5t c\u00e1c lo\u00e0i oxy ph\u1ea3n \u1ee9ng v\u00e0 k\u00edch ho\u1ea1t c\u00e1c gen ph\u00e2n h\u1ee7y, t\u1ea1o ra m\u1ed9t v\u00f2ng lu\u1ea9n qu\u1ea9n \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh gi\u00e0 c\u1ed7i.<\/p>\n
Tr\u01b0\u1edbc nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y, c\u00e1c gi\u1ea3i ph\u00e1p m\u1edbi \u0111ang xu\u1ea5t hi\u1ec7n nh\u1edd nh\u1eefng ti\u1ebfn b\u1ed9 c\u1ee7a sinh h\u1ecdc t\u1ed5ng h\u1ee3p v\u00e0 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o. C\u00e1c h\u1ec7 th\u1ed1ng di truy\u1ec1n \u0111\u1ed5i m\u1edbi, ch\u1eb3ng h\u1ea1n gen IPT<\/em> k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t promoter \u0111\u1eb7c hi\u1ec7u c\u1ee7a l\u00e3o h\u00f3a, cho ph\u00e9p l\u00e0m ch\u1eadm s\u1ef1 gi\u00e0 c\u1ed7i b\u1eb1ng c\u00e1ch k\u00edch th\u00edch s\u1ea3n xu\u1ea5t cytokinin, nh\u1eefng hormone \u1ee9c ch\u1ebf s\u1ef1 ph\u00e2n h\u1ee7y l\u00e1. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e3 ch\u1ee9ng minh hi\u1ec7u qu\u1ea3 tr\u00ean nhi\u1ec1u lo\u00e0i, t\u1eeb thu\u1ed1c l\u00e1 \u0111\u1ebfn l\u00faa, qua c\u00e0 chua hay b\u00f4ng, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu h\u1ea1n, l\u1ea1nh ho\u1eb7c th\u1eeba n\u01b0\u1edbc.<\/p>\n Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o, m\u1eb7t kh\u00e1c, \u0111ang c\u00e1ch m\u1ea1ng h\u00f3a c\u00f4ng t\u00e1c ch\u1ecdn gi\u1ed1ng c\u00e2y tr\u1ed3ng b\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u gen, chuy\u1ec3n lu\u1eadn ho\u1eb7c chuy\u1ec3n h\u00f3a kh\u1ed5ng l\u1ed3. C\u00e1c thu\u1eadt to\u00e1n machine learning<\/em> ho\u1eb7c deep learning<\/em> cho ph\u00e9p x\u00e1c \u0111\u1ecbnh c\u00e1c gen quan tr\u1ecdng li\u00ean quan \u0111\u1ebfn l\u00e3o h\u00f3a ho\u1eb7c kh\u1ea3 n\u0103ng kh\u00e1ng stress, v\u00e0 d\u1ef1 \u0111o\u00e1n t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang \u0111\u1ebfn n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y m\u1edf ra con \u0111\u01b0\u1eddng cho m\u1ed9t n\u1ec1n n\u00f4ng nghi\u1ec7p ch\u00ednh x\u00e1c h\u01a1n, c\u00f3 kh\u1ea3 n\u0103ng thi\u1ebft k\u1ebf c\u00e1c gi\u1ed1ng c\u00e2y \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 ch\u1ed1ng ch\u1ecbu v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng ng\u00e0y c\u00e0ng kh\u1eafc nghi\u1ec7t.<\/p>\n Nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0y cho th\u1ea5y r\u1eb1ng s\u1ef1 l\u00e3o h\u00f3a c\u1ee7a l\u00e1, xa l\u1ea1 v\u1edbi vi\u1ec7c ch\u1ec9 l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng suy tho\u00e1i \u0111\u01a1n thu\u1ea7n, l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh tinh vi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c khai th\u00e1c \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i c\u1ee7a c\u00e2y tr\u1ed3ng. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 h\u01a1n c\u00e1c t\u00edn hi\u1ec7u v\u00e0 m\u1ea1ng l\u01b0\u1edbi gen li\u00ean quan, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang ph\u00e1t tri\u1ec3n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 l\u00e0m ch\u1eadm ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh qu\u00e1 tr\u00ecnh n\u00e0y, nh\u1eb1m t\u1ed1i \u0111a h\u00f3a n\u0103ng su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng thu ho\u1ea1ch, ngay c\u1ea3 trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n “`<\/p>\n DOI\u00a0:<\/strong> https:\/\/doi.org\/10.1186\/s43897-026-00236-9<\/a><\/p>\n Titre\u00a0:<\/strong> From signals to solutions: stress-induced leaf senescence and synthetic biology and AI approaches for crop resilience<\/p>\n Revue : <\/strong> Molecular Horticulture<\/p>\n \u00c9diteur : <\/strong> Springer Science and Business Media LLC<\/p>\n Auteurs : <\/strong> Shu-Ning Ren; Chen-Yu Zhu; Yu-Qiong Wang; Tian Bu; Zhonghai Li; Weilun Yin; Xinli Xia; Hou-Ling Wang<\/p>\n","protected":false},"excerpt":{"rendered":" “`html S\u1ef1 l\u00e3o h\u00f3a c\u1ee7a l\u00e1 d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a stress m\u1edf ra nh\u1eefng h\u01b0\u1edbng m\u1edbi cho c\u00e1c gi\u1ed1ng c\u00e2y tr\u1ed3ng kh\u00e1ng ch\u1ecbu h\u01a1n L\u00e1 \u0111\u00f3ng vai tr\u00f2 trung t\u00e2m trong \u0111\u1eddi s\u1ed1ng c\u1ee7a th\u1ef1c v\u1eadt b\u1eb1ng c\u00e1ch h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng \u00e1nh s\u00e1ng v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng thi\u1ebft y\u1ebfu. S\u1ef1 l\u00e3o… Continue reading S\u1ef1 l\u00e3o h\u00f3a c\u1ee7a l\u00e1 d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a stress m\u1edf ra nh\u1eefng h\u01b0\u1edbng m\u1edbi cho c\u00e1c gi\u1ed1ng c\u00e2y tr\u1ed3ng kh\u00e1ng ch\u1ecbu h\u01a1n<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-17","post","type-post","status-publish","format-standard","hentry","category-khoa-hoc-cong-nghe","entry"],"_links":{"self":[{"href":"https:\/\/globalagriculturejournal.com\/vi\/wp-json\/wp\/v2\/posts\/17","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalagriculturejournal.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalagriculturejournal.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalagriculturejournal.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/globalagriculturejournal.com\/vi\/wp-json\/wp\/v2\/comments?post=17"}],"version-history":[{"count":1,"href":"https:\/\/globalagriculturejournal.com\/vi\/wp-json\/wp\/v2\/posts\/17\/revisions"}],"predecessor-version":[{"id":18,"href":"https:\/\/globalagriculturejournal.com\/vi\/wp-json\/wp\/v2\/posts\/17\/revisions\/18"}],"wp:attachment":[{"href":"https:\/\/globalagriculturejournal.com\/vi\/wp-json\/wp\/v2\/media?parent=17"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalagriculturejournal.com\/vi\/wp-json\/wp\/v2\/categories?post=17"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalagriculturejournal.com\/vi\/wp-json\/wp\/v2\/tags?post=17"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nMentions des sources<\/h2>\n
Publication cit\u00e9e<\/h3>\n