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gluconacetobacter diazotrophicus isolation

15.5) and could grow on high sucrose concentrations (10%) and fix N 2. 0000053220 00000 n 0000005279 00000 n xref 0000016660 00000 n Like most websites we use cookies. 0000004192 00000 n You can now claim your publications on CAB Direct with your ORCID iD! For DNA isolation, a single bacterial colony of isolate DS1 was inoculated into 5ml of a rich medium (gl 1; glucose, 2.0; glutamic acid, 1.5; peptone, 1.5; K 2HPO 4, 0.5; MgSO 4 7H 2O, 0.5; yeast extract, 2.0; pH, 6). x�b```f`��e`g`��� Ȁ �l@Q�U0��o�t�Gr��� 0000054140 00000 n Gluconacetobacter diazotrophicusis an endophytic bacterium first isolated from the sugarcane growing regions of Brazil (Cavalcante and Dobereiner, 1988). 0000127169 00000 n 0000004655 00000 n 0000044911 00000 n 0000004890 00000 n 0000053931 00000 n [10] [3] The cells be viewed as darkish brown or orange colonies under a microscope. 0000052542 00000 n 0000005512 00000 n 0000038730 00000 n [7] Besides to be a nitrogen-fixing bacterium, G. diazotrophicus synthesizes Indole-3-acid acetic, that could contribute to promote the growth of the associated plant. 0000127391 00000 n 0000124206 00000 n There are over 13,605,000 records available in CAB Direct | Last updated on November 26, 2020. Gluconacetobacter diazotrophicus is a Gram-negative, acid tolerant, obligate aerobe and the cells are rod shaped with rounded ends (0.7–0.9 µm by 1–2 µm) having lateral or peritrichous flagella [1][2] The bacterium is known for stimulating plant growth and being tolerant to acetic acid. 0000058998 00000 n 0000005823 00000 n 0000052786 00000 n 0000042681 00000 n 0000044289 00000 n 0000042037 00000 n [1] In addition, the cells are aerobic which describes their need of oxygen. [1][2] With one to three lateral flagella, and known to be found on sugarcane, Gluconacetobacter diazotrophicus was discovered in Brazil by Vladimir A. Cavalcante and Johanna Dobereiner. [2] This genome has one circular chromosome and two plasmids. 0000015981 00000 n 112 0 obj <> endobj Gluconacetobacter diazotrophicus is a bacterium with a rod-like shape, has circular ends, and can be classified as a Gram-negative bacterium. 0000047581 00000 n 0000007184 00000 n 0000065511 00000 n 0000127765 00000 n 0000127986 00000 n Extensive online help - available wherever you are in CAB Direct. [1][2] In addition to sugarcane, G. diazotrophicus has been found in different plants like coffee tree and pineapple. 0000003949 00000 n 0000036455 00000 n 0000005981 00000 n The genome that was found to be closely sequenced with Gluconacetobacter diazotrophicus was the Pal5 genome. CAB Direct a convenient, single point of access to all of your CABI database subscriptions. This is to ensure that we give you the best experience possible. startxref If you would like to, you can learn more about the cookies we use. 0000006535 00000 n 0000033332 00000 n Gluconacetobacter diazotrophicus is a bacterium with a rod-like shape, has circular ends, and can be classified as a Gram-negative bacterium. 0000003706 00000 n 0000037205 00000 n 0000005744 00000 n [3] Gluconacetobacter diazotrophicus is a part of the Acetobacteraceae family and started out with the name, Saccharibacter nitrocaptans, however, the bacterium is renamed as Acetobacter diazotrophicus because the bacterium is found to belong with bacteria that are able to tolerate acetic acid. 0000015593 00000 n 0000002456 00000 n 0000126809 00000 n 0000034646 00000 n 0000000016 00000 n [5][6] 0000016173 00000 n 0000003330 00000 n 0000004576 00000 n [2] The bacterium was first discovered by Vladimir A. Cavalcante and Johanna Dobereiner while analyzing sugarcane in Brazil. 0000003248 00000 n [9] In regard to the ecology of this microorganisms, the numbers of G. diazotrophicus that colonize sugarcane decrease when the plant is grown under high nitrogen fertilization doses. 0000057404 00000 n 0000034099 00000 n 0000006803 00000 n [2] The Pal5 genome was found to have 583 proteins that can be used to depict the possible “metabolic pathways” in Gluconacetobacter diazotrophicus. 0000041067 00000 n 0000127496 00000 n [2] The two plasmids found in the genome are pGD01 and pGD02 which contain 38,818 and 16,610 base pairs respectively. Overall, Gluconacetobacter diazotrophicus, through the research restated, plays a significant role in the environment for plants specifically sugar cane, helps to grow crops, and can be found in areas that are acidic and contain oxygen. [1][2] Based on these descriptions of the cell, Gluconacetobacter diazotrophicus can be classified with the bacillus genus. 0000006139 00000 n 0000005667 00000 n 114 0 obj<>stream 0000035707 00000 n 0000128095 00000 n 0000006455 00000 n trailer 0000005046 00000 n It was widely studied and used as a model system to assess the bacterial endophyte – plant interactions. 0000005124 00000 n 0000006060 00000 n [2] This feature allows the bacteria to work on nitrogen in the air in order for the correct amount of nitrogen can be received by plants. CAB Direct provides 0000005434 00000 n 0000003829 00000 n Gluconacetobacter diazotrophicus is an associative endophyte nitrogen fixing bacteria in sugarcane, is entirely confined to the living plant tissue, does not survive in soil and therefore can only be isolated by tissue extraction. Gluconacetobacter- like diazotrophs were encountered as dense populations inside the root and stem tissues of sugarcane cultivated in ancient agricultural fields of the Nile Delta. 0000058762 00000 n 0000037643 00000 n 0000057716 00000 n 0000126892 00000 n 0000113789 00000 n 112 108 Bacterial cultures have been preserved in 20% glycerol at −80 °C prior to analysis. [2] Gluconacetobacter diazotrophicus is a notable microbe because studies have shown that the bacteria can help tomatoes and other crops grow. 0000006376 00000 n 0000039542 00000 n �U��D F�p��k[w�\^�����}-�X�?>�0�4��c��k�5ݘ}�d����=�v�=�yE3�`���ӗ53�~����l���S�Y��N|]��h�i��l�4���*����dlE���m�z�!���ˤ0���A��� ;NPP���-- ����0d������iDGG�A��д��6����K�۟�t'�E���cC"CCC. means you agree to our use of cookies. The leaves contained a smaller population (<10 3 g -1).

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