{"id":6738,"date":"2015-10-15T08:04:56","date_gmt":"2015-10-15T01:04:56","guid":{"rendered":"http:\/\/antoansinhhoc.vn\/?p=1205"},"modified":"2015-10-15T08:04:56","modified_gmt":"2015-10-15T01:04:56","slug":"bo%cc%89-sung-mo%cc%a3t-gen-duy-nhat-lam-cho-lua-ga%cc%a3o-than-thie%cc%a3n-voi-moi-truong-hon","status":"publish","type":"post","link":"https:\/\/nbca.gov.vn\/bo%cc%89-sung-mo%cc%a3t-gen-duy-nhat-lam-cho-lua-ga%cc%a3o-than-thie%cc%a3n-voi-moi-truong-hon\/","title":{"rendered":"B\u00f4\u0309 sung m\u00f4\u0323t gen duy nh\u00e2\u0301t la\u0300m cho lu\u0301a ga\u0323o th\u00e2n thi\u00ea\u0323n v\u01a1\u0301i m\u00f4i tr\u01b0\u1eddng h\u01a1n"},"content":{"rendered":"
D\u00e2n s\u00f4\u0301 t\u0103ng l\u00ean cu\u0309a th\u00ea\u0301 gi\u01a1\u0301i \u0111ang pha\u0309i \u0111\u00f4\u0301i m\u0103\u0323t v\u01a1\u0301i m\u00f4\u0323t chu\u00f4\u0303i li\u00ean li\u00ean tu\u0323c cu\u0309a s\u01b0\u0323 \u0111a\u0301nh \u0111\u00f4\u0309i. M\u00f4\u0323t m\u0103\u0323t, chu\u0301ng ta c\u00e2\u0300n th\u00eam nhi\u00ea\u0300u lu\u0301a ga\u0323o \u0111\u00ea\u0309 nu\u00f4i s\u00f4\u0301ng chi\u0301nh chu\u0301ng ta.\u00a0<\/span><\/div>\n
\n

M\u0103\u0323t kha\u0301c, ki\u00ea\u0309m soa\u0301t khi\u0301 nha\u0300 ki\u0301nh la\u0300 m\u00f4\u0323t \u01b0u ti\u00ean l\u01a1\u0301n va\u0300 s\u1ea3n xu\u1ea5t lu\u0301a ga\u0323o ta\u0323o ra r\u00e2\u0301t nhi\u00ea\u0300u khi\u0301 metan. M\u00f4\u0323t nho\u0301m do ph\u00f2ng th\u00ed nghi\u1ec7m qu\u00f4\u0301c gia T\u00e2y B\u0103\u0301c Th\u00e1i B\u00ecnh D\u01b0\u01a1ng (PNNL) cu\u0309a B\u00f4\u0323 n\u0103ng l\u01b0\u1ee3ng Hoa Ky\u0300 d\u00e2\u0303n \u0111\u00e2\u0300u v\u01b0\u0300a ta\u0323o ra \u0111\u01b0\u1ee3c m\u00f4\u0323t chu\u0309ng lu\u0301a bi\u00ea\u0301n \u0111\u00f4\u0309i gen kh\u00f4ng chi\u0309 h\u00e2\u0300u nh\u01b0 kh\u00f4ng sinh khi\u0301 metan ma\u0300 co\u0300n cho nhi\u00ea\u0300u ha\u0323t h\u01a1n.<\/p>\n

\"\"<\/span><\/i><\/p>\n

SUSIBA2 (b\u00ean pha\u0309i) so v\u01a1\u0301i m\u00f4\u0323t chu\u0309ng \u0111\u00f4\u0301i ch\u01b0\u0301ng (\u0110\u1ea1i h\u1ecdc khoa ho\u0323c n\u00f4ng nghi\u00ea\u0323p Thu\u0323y \u0110i\u00ea\u0309n)<\/span><\/i><\/p>\n

Lu\u0301a ga\u0323o nu\u00f4i s\u00f4\u0301ng h\u01a1n m\u00f4\u0323t n\u01b0\u0309a s\u00f4\u0301 ng\u01b0\u1eddi tr\u00ean tr\u00e1i \u0111\u1ea5t va\u0300 theo FAO, lu\u0301a la\u0300 c\u00e2y l\u01b0\u01a1ng th\u01b0\u0323c gia\u0301 tri\u0323 l\u01a1\u0301n th\u01b0\u0301 2 va\u0300 di\u00ea\u0323n ti\u0301ch \u0111\u01b0\u0301ng th\u01b0\u0301 3 tr\u00ean th\u00ea\u0301 gi\u01a1\u0301i. V\u1ea5n \u0111\u1ec1 la\u0300 ca\u0301c ru\u00f4\u0323ng lu\u0301a co\u0301 \u0111\u00e2\u0301t \u01b0\u01a1\u0301t, \u00e2\u0301m la\u0300 n\u01a1i c\u01b0 ngu\u0323 ca\u0301c qu\u00e2\u0300n th\u00ea\u0309 vi khu\u00e2\u0309n \u0103n cacbon dioxit ho\u0300a tan trong bu\u0300n va\u0300 chuy\u00ea\u0309n \u0111\u00f4\u0309i khi\u0301 na\u0300y tha\u0300nh metan. Nh\u01b0\u0303ng ca\u0301nh \u0111\u00f4\u0300ng lu\u0301a na\u0300y la\u0300 m\u00f4\u0323t trong nh\u01b0\u0303ng ngu\u00f4\u0300n metan khi\u0301 quy\u00ea\u0309n chi\u0301nh y\u00ea\u0301u, chi\u00ea\u0301m \u0111\u00ea\u0301n 17% khi\u0301 tha\u0309i toa\u0300n c\u00e2\u0300u. Con s\u00f4\u0301 na\u0300y \u0111a\u0301ng chu\u0301 y\u0301 vi\u0300 du\u0300 kh\u00f4ng pha\u0309i la\u0300 khi\u0301 nha\u0300 ki\u0301nh ph\u00f4\u0309 bi\u00ea\u0301n nh\u00e2\u0301t nh\u01b0ng metan gi\u01b0\u0303 nhi\u00ea\u0323t g\u00e2\u0301p 20 l\u00e2\u0300n CO2.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Gia\u0309i pha\u0301p \u01a1\u0309 \u0111\u00e2\u0300y la\u0300 ha\u0323n ch\u00ea\u0301 cung c\u00e2\u0301p cacbon dioxit cho vi khu\u00e2\u0309n b\u0103\u0300ng ca\u0301ch h\u01b0\u01a1\u0301ng no\u0301 ra kho\u0309i \u0111\u00e2\u0301t ru\u00f4\u0323ng va\u0300 \u0111i va\u0300o c\u00e2y lu\u0301a.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Th\u00f4ng th\u01b0\u01a1\u0300ng, trong qua\u0301 tri\u0300nh quang h\u01a1\u0323p, CO2 \u0111\u01b0\u1ee3c chuy\u00ea\u0309n \u0111\u00f4\u0309i tha\u0300nh \u0111\u01b0\u01a1\u0300ng va\u0300 tinh b\u00f4\u0323t. Chuy\u00ea\u0309n h\u01b0\u01a1\u0301ng nhi\u00ea\u0300u CO2 \u0111\u00ea\u0301n ha\u0323t lu\u0301a se\u0303 la\u0300m cho ha\u0323t m\u00e2\u0303y h\u01a1n va\u0300 nhi\u00ea\u0300u dinh d\u01b0\u01a1\u0303ng h\u01a1n va\u0300 d\u00e2\u0303n no\u0301 va\u0300o th\u00e2n va\u0300 la\u0301 ta\u0323o th\u00eam nhi\u00ea\u0300u sinh kh\u00f4\u0301i h\u01a1n \u0111\u00ea\u0309 la\u0300m nhi\u00ean li\u00ea\u0323u va\u0300 th\u01b0\u0301c \u0103n cho gia su\u0301c. Nho\u0301m PNNL l\u00e2\u0323p lu\u00e2\u0323n r\u0103\u0300ng n\u00ea\u0301u ki\u0301ch thi\u0301ch lu\u0301a hoa\u0323t \u0111\u00f4\u0323ng gi\u00f4\u0301ng h\u01a1n v\u01a1\u0301i ca\u0301c loa\u0300i c\u00e2y ngu\u0303 c\u00f4\u0301c kha\u0301c, no\u0301 se\u0303 kh\u00f4ng chi\u0309 t\u0103ng sa\u0309n l\u01b0\u01a1\u0323ng ma\u0300 co\u0300n giu\u0301p gia\u0309m khi\u0301 tha\u0309i metan.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

SUSIBA2 la\u0300m m\u00f4\u0323t chu\u0309ng lu\u0301a bi\u00ea\u0301n \u0111\u00f4\u0309i gen m\u01a1\u0301i, la\u0300 k\u1ebft qu\u1ea3 cu\u0309a h\u01a1n 10 n\u0103m nghi\u00ean c\u1ee9u cu\u0309a ca\u0301c nghi\u00ean c\u1ee9u t\u01b0\u0300 My\u0303, Thu\u0323y \u0110i\u00ea\u0309n va\u0300 Trung Qu\u1ed1c cu\u0300ng v\u01a1\u0301i 3 n\u0103m nghi\u00ean c\u1ee9u th\u01b0\u0323c t\u00ea\u0301 \u01a1\u0309 Trung Qu\u1ed1c. Theo nho\u0301m, \u0111\u00e2y la\u0300 m\u00f4\u0323t mu\u0303i t\u00ean tru\u0301ng 2 \u0111i\u0301ch, do \u0111o\u0301, \u0111\u00f4\u0300ng lu\u0301a se\u0303 h\u00e2\u0300u nh\u01b0 kh\u00f4ng pha\u0301t tha\u0309i khi\u0301 metan trong qua\u0301 tri\u0300nh sinh tr\u01b0\u01a1\u0309ng trong khi sa\u0309n sinh nhi\u00ea\u0300u tinh b\u00f4\u0323t va\u0300 sinh kh\u00f4\u0301i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u00ea\u0309 la\u0300m nhi\u00ean li\u00ea\u0323u ho\u0103\u0323c th\u01b0\u0301c \u0103n ch\u0103n nu\u00f4i.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Chu\u0309ng lu\u0301a na\u0300y \u0111\u01b0\u1ee3c ta\u0323o ra b\u0103\u0300ng ca\u0301ch \u0111\u01b0a 1 gen duy nh\u00e2\u0301t t\u01b0\u0300 lu\u0301a ma\u0323ch va\u0300o gi\u00f4\u0301ng lu\u0301a ga\u0323o ph\u00f4\u0309 bi\u00ea\u0301n. Gen quy \u0111i\u0323nh chi\u0301nh na\u0300y ki\u0301ch hoa\u0323t m\u00f4\u0323t s\u00f4\u0301 gen kha\u0301c va\u0300 khi\u00ea\u0301n c\u00e2y lu\u0301a chuy\u00ea\u0309n nhi\u00ea\u0300u cacbon h\u01a1n sang ha\u0323t, la\u0301 va\u0300 th\u00e2n c\u00e2y gi\u00f4\u0301ng nh\u01b0 lu\u0301a ma\u0323ch. \u0110i\u00ea\u0300u na\u0300y la\u0300m \u0111o\u0301i vi khu\u00e2\u0309n trong \u0111\u00e2\u0301t ru\u00f4\u0323ng quanh g\u00f4\u0301c c\u00e2y lu\u0301a, b\u00f4\u0323 ph\u00e2\u0323n th\u01b0\u01a1\u0300ng sinh metan trong khi t\u0103ng sa\u0309n l\u01b0\u01a1\u0323ng.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Nho\u0301m co\u0301 k\u00ea\u0301 hoa\u0323ch ti\u00ea\u0301p tu\u0323c nghi\u00ean c\u1ee9u SUSIBA2 va\u0300 c\u01a1 ch\u00ea\u0301 no\u0301 s\u1eed d\u1ee5ng \u0111\u00ea\u0309 cung c\u00e2\u0301p la\u0323i cacbon cu\u0303ng nh\u01b0 ti\u0300m hi\u00ea\u0309u th\u00eam v\u00ea\u0300 ca\u0301ch g\u00f4\u0301c lu\u0301a t\u01b0\u01a1ng ta\u0301c v\u01a1\u0301i vi khu\u00e2\u0309n ta\u0323i ch\u00f4\u0303.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Christer Jansson, gia\u0301m \u0111\u00f4\u0301c khoa ho\u0323c c\u00e2y tr\u00f4\u0300ng ta\u0323i PNNL cho bi\u1ebft: \u201cNhu c\u00e2\u0300u t\u0103ng ha\u0300m l\u01b0\u01a1\u0323ng tinh b\u00f4\u0323t va\u0300 gia\u0309m khi\u0301 tha\u0309i metan t\u01b0\u0300 s\u00f4\u0301 l\u01b0\u01a1\u0323ng lu\u0301a ga\u0323o \u0111a\u0303 \u0111\u01b0\u1ee3c nh\u00e2\u0323n th\u01b0\u0301c r\u00f4\u0323ng ra\u0303i nh\u01b0ng kha\u0309 n\u0103ng \u0111\u00ea\u0309 la\u0300m ca\u0309 hai vi\u00ea\u0323c cu\u0300ng lu\u0301c v\u00e2\u0303n \u0111ang l\u00e2\u0309n tra\u0301nh ca\u0301c nh\u00e0 nghi\u00ean c\u1ee9u. Khi d\u00e2n s\u00f4\u0301 th\u00ea\u0301 gi\u01a1\u0301i t\u0103ng l\u00ean, s\u1ea3n xu\u1ea5t lu\u0301a ga\u0323o cu\u0303ng t\u0103ng. Va\u0300 khi tr\u00e1i \u0111\u1ea5t \u00e2\u0301m l\u00ean, nh\u01b0\u0303ng ca\u0301nh \u0111\u00f4\u0300ng lu\u0301a cu\u0303ng \u00e2\u0301m l\u00ean, d\u00e2\u0303n \u0111\u00ea\u0301n sinh nhi\u00ea\u0300u khi\u0301 metan h\u01a1n. \u0110o\u0301 la\u0300 v\u1ea5n \u0111\u1ec1 c\u00e2\u0300n pha\u0309i gia\u0309i quy\u00ea\u0301t\u201d.<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

D\u00e2n s\u00f4\u0301 t\u0103ng l\u00ean cu\u0309a th\u00ea\u0301 gi\u01a1\u0301i \u0111ang pha\u0309i \u0111\u00f4\u0301i m\u0103\u0323t v\u01a1\u0301i m\u00f4\u0323t chu\u00f4\u0303i li\u00ean li\u00ean tu\u0323c cu\u0309a s\u01b0\u0323 \u0111a\u0301nh \u0111\u00f4\u0309i. M\u00f4\u0323t m\u0103\u0323t, chu\u0301ng ta c\u00e2\u0300n th\u00eam nhi\u00ea\u0300u lu\u0301a ga\u0323o \u0111\u00ea\u0309 nu\u00f4i s\u00f4\u0301ng chi\u0301nh chu\u0301ng ta.\u00a0 M\u0103\u0323t kha\u0301c, ki\u00ea\u0309m soa\u0301t khi\u0301 nha\u0300 ki\u0301nh la\u0300 m\u00f4\u0323t \u01b0u ti\u00ean l\u01a1\u0301n va\u0300 s\u1ea3n xu\u1ea5t lu\u0301a ga\u0323o ta\u0323o ra […]\n","protected":false},"author":1,"featured_media":1226,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6738"}],"collection":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/comments?post=6738"}],"version-history":[{"count":0,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/posts\/6738\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media\/1226"}],"wp:attachment":[{"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/media?parent=6738"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/categories?post=6738"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbca.gov.vn\/wp-json\/wp\/v2\/tags?post=6738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}