{"id":9499,"date":"2011-02-15T02:56:16","date_gmt":"2011-02-14T19:56:16","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2011\/02\/nghien-cuu-tao-phoi-soma-thong-nhua-pinus-merkusii-trong-dieu-kien-invitro\/"},"modified":"2013-10-06T09:02:09","modified_gmt":"2013-10-06T02:02:09","slug":"nghien-cuu-tao-phoi-soma-thong-nhua-pinus-merkusii-trong-dieu-kien-invitro","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-tao-phoi-soma-thong-nhua-pinus-merkusii-trong-dieu-kien-invitro\/","title":{"rendered":"Nghi\u00ean c\u1ee9u t\u1ea1o ph\u00f4i soma Th\u00f4ng nh\u1ef1a (Pinus merkusii) trong \u0111i\u1ec1u ki\u1ec7n invitro"},"content":{"rendered":"<p> <strong>V\u01b0\u01a1ng \u0110\u00ecnh Tu\u1ea5n, Nguy\u1ec5n Xu\u00e2n C\u01b0\u1eddng, Phan Th\u1ecb M\u1ef5 Lan<\/strong> <\/p>\n<p> <em>Ph\u00e2n vi\u1ec7n Nghi\u00ean c\u1ee9u Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Nam B\u1ed9<\/em> <\/p>\n<p> <strong>T\u00d3M T\u1eaeT<\/strong> <\/p>\n<p> T\u1ea1o ph\u00e1t sinh ph\u00f4i v\u00e0 ph\u00f4i soma \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t tr\u00ean m\u00f4i tr\u01b0\u1eddng LVM c\u00f3 b\u1ed5 sung 2,0mg\/l 2,4-D v\u00e0 3,0 mg\/l BA. Tr\u1ecdng l\u01b0\u1ee3ng t\u01b0\u01a1i c\u1ee7a t\u1ebf b\u00e0o ti\u1ec1n ph\u00f4i t\u0103ng h\u01a1n 3 l\u1ea7n \u1edf tu\u1ea7n \u0111\u1ea7u tr\u00ean m\u00f4i tr\u01b0\u1eddng c\u00f3 b\u1ed5ng sung 500mg\/l glutamine. \u0110\u01b0\u1eddng maltose \u1edf 90g\/l k\u1ebft h\u1ee3p 80mg\/l ABA v\u00e0 10g\/l phytagel t\u1ea1o ph\u00f4i soma t\u1ed1t h\u01a1n sucrose \u1edf c\u00f9ng n\u1ed3ng \u0111\u1ed9. C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00e1i sinh c\u00e2y xanh t\u1eeb ph\u00f4i soma v\u00e0 giai \u0111o\u1ea1n c\u00e2y con trong v\u01b0\u1eddn \u01b0\u01a1m \u0111ang \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh. <\/p>\n<p> <strong>T\u1eeb kh\u00f3a<\/strong>: \u0110\u01b0\u1eddng maltose v\u00e0 sucrose,Ph\u00e1t sinh ph\u00f4i, Ph\u00f4i soma, Th\u00f4ng nh\u1ef1a. <\/p>\n<p> <strong>I. M\u1ede \u0110\u1ea6U<\/strong> <\/p>\n<p> Th\u00f4ng nh\u1ef1a (<em>Pinus merkusii <\/em>Jungh. &#038; de Vriese) l\u00e0 m\u1ed9t lo\u00e0i th\u00f4ng c\u00f3 ngu\u1ed3n g\u1ed1c nhi\u1ec7t \u0111\u1edbi, \u0111\u01b0\u1ee3c tr\u1ed3ng \u0111\u1ec3 cung c\u1ea5p nh\u1ef1a v\u00e0 g\u1ed7. Do \u0111\u1eb7c \u0111i\u1ec3m ch\u1ecbu \u0111\u01b0\u1ee3c nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u00f3 kh\u0103n ngh\u00e8o dinh d\u01b0\u1ee1ng c\u1ee7a \u0111\u1ea5t, n\u00ean th\u00f4ng nh\u1ef1a c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m c\u00e2y \u0111\u1ec3 ph\u1ee7 xanh \u0111\u1ea5t tr\u1ed1ng, \u0111\u1ed3i tr\u1ecdc v\u00e0 c\u1eb1n c\u1ed7i \u0111\u1ec3 c\u1ea3i thi\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u1ea3i thi\u1ec7n thu nh\u1eadp cho n\u00f4ng d\u00e2n v\u00f9ng kh\u00f3 kh\u0103n.  <\/p>\n<p> K\u1ef9 thu\u1eadt t\u1ea1o ph\u00f4i soma \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u v\u00e0 \u00e1p d\u1ee5ng nhi\u1ec1u \u0111\u1ec3 c\u1ea3i thi\u1ec7n gi\u1ed1ng c\u00e2y l\u00e2m nghi\u1ec7p \u1edf c\u00e1c n\u01b0\u1edbc \u00f4n \u0111\u1edbi trong v\u00e0i th\u1eadp ni\u00ean g\u1ea7n \u0111\u00e2y. L\u1ee3i \u00edch quan tr\u1ecdng nh\u1ea5t c\u1ee7a k\u1ef9 thu\u1eadt n\u00e0y l\u00e0 kh\u1ea3 n\u0103ng gi\u1eef c\u00e1c t\u1ebf b\u00e0o ti\u1ec1n ph\u00f4i soma (embryogenic tissue) c\u1ee7a c\u00e1c d\u00f2ng \u01b0u vi\u1ec7t trong \u0111i\u1ec1u ki\u1ec7n \u0111\u00f4ng kh\u00f4 h\u00e0ng v\u00e0i ch\u1ee5c n\u0103m, th\u1eadm ch\u00ed h\u00e0ng tr\u0103m n\u0103m v\u1eabn kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh di truy\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u khi \u0111\u01b0\u1ee3c t\u00e1i sinh. Vi\u1ec7c t\u1ea1o th\u1ec3 ti\u1ec1n ph\u00f4i soma c\u00f2n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u1ea1o c\u00e2y xanh c\u1ee7a nh\u1eefng d\u00f2ng mong mu\u1ed1n v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn trong \u0111i\u1ec1u ki\u1ec7n i<em>nvitro<\/em> \u0111\u1ec3 cung c\u1ea5p cho s\u1ea3n xu\u1ea5t. Th\u1ec3 ti\u1ec1n ph\u00f4i, m\u1eb7t kh\u00e1c, c\u0169ng l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt chuy\u1ec3n gene \u0111\u1ec3 c\u1ea3i thi\u1ec7n gi\u1ed1ng. <\/p>\n<p> K\u1ef9 thu\u1eadt t\u1ea1o ph\u00f4i soma \u0111\u00e3 th\u00e0nh c\u00f4ng tr\u00ean m\u1ed9t s\u1ed1 lo\u00e0i qu\u1ea3 n\u00f3n v\u00e0 lo\u00e0i c\u00e2y l\u00e2m nghi\u1ec7p kh\u00e1c. Tuy nhi\u00ean, hi\u1ec7n ch\u01b0a t\u00ecm th\u1ea5y k\u1ebft qu\u1ea3 n\u00e0o \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 v\u1ec1 t\u1ea1o ph\u00f4i soma tr\u00ean Th\u00f4ng nh\u1ef1a (<em>Pinus merkusii<\/em>) \u1edf Vi\u1ec7t Nam. V\u00ec th\u1ebf, nghi\u00ean c\u1ee9u n\u00e0y g\u00f3p ph\u1ea7n x\u00e2y d\u1ef1ng k\u1ef9 thu\u1eadt t\u1ea1o th\u1ec3 ph\u00e1t sinh v\u00e0 ph\u00f4i soma t\u1eeb ph\u00f4i non Th\u00f4ng nh\u1ef1a nh\u1eb1m g\u00f3p ph\u1ea7n t\u1ea1o v\u1eadt li\u1ec7u cho \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 gene c\u1ea3i thi\u1ec7n n\u0103ng su\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng Th\u00f4ng nh\u1ef1a. <\/p>\n<p> <em>(K\u1ef7 y\u1ebfu H\u1ed9i ngh\u1ecb Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 L\u00e2m nghi\u1ec7p v\u1edbi ph\u00e1t tri\u1ec3n r\u1eebng b\u1ec1n v\u1eefng v\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu, trang 38-44)<\/em> <\/p>\n","protected":false},"excerpt":{"rendered":"<p align=\"justify\">\n<span style=\"font-family: Arial; font-size: 10pt\">T\u1ea1o ph&aacute;t sinh ph&ocirc;i v&agrave; ph&ocirc;i soma \u0111&atilde; \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1t tr&ecirc;n m&ocirc;i tr\u01b0\u1eddng LVM c&oacute; b\u1ed5 sung 2,0mg\/l 2,4-D v&agrave; 3,0 mg\/l BA. Tr\u1ecdng l\u01b0\u1ee3ng t\u01b0\u01a1i c\u1ee7a t\u1ebf b&agrave;o ti\u1ec1n ph&ocirc;i t\u0103ng h\u01a1n 3 l\u1ea7n \u1edf tu\u1ea7n \u0111\u1ea7u tr&ecirc;n m&ocirc;i tr\u01b0\u1eddng c&oacute; b\u1ed5ng sung 500mg\/l glutamine. \u0110\u01b0\u1eddng maltose \u1edf 90g\/l k\u1ebft h\u1ee3p 80mg\/l ABA v&agrave; 10g\/l phytagel t\u1ea1o ph&ocirc;i soma t\u1ed1t h\u01a1n sucrose \u1edf c&ugrave;ng n\u1ed3ng \u0111\u1ed9. C&aacute;c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t&aacute;i sinh c&acirc;y xanh t\u1eeb ph&ocirc;i soma v&agrave; giai \u0111o\u1ea1n c&acirc;y con trong v\u01b0\u1eddn \u01b0\u01a1m \u0111ang \u0111\u01b0\u1ee3c ti\u1ebfn h&agrave;nh.<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9499"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9499"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9499\/revisions"}],"predecessor-version":[{"id":10953,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9499\/revisions\/10953"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9499"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9499"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9499"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}