| Description | Agrobacterium tumefaciens is a gram-negative, rod-shaped microbe that thrives in mesophilic temperatures, categorized as a chemoheterotroph, and can be found in various body sites of plants, including roots, stems, and leaves, across multiple species. As a chemoheterotroph, Agrobacterium tumefaciens relies on organic compounds for energy and carbon, obtaining these nutrients from its host plant or surrounding environment. This microbe is also an obligate aerobe, requiring oxygen to survive and grow, which is reflected in its ability to form colonies on agar plates in the presence of oxygen. The rod-shaped morphology of Agrobacterium tumefaciens allows it to effectively interact with plant cells, facilitating the transfer of DNA and subsequent manipulation of plant metabolism. The mesophilic temperature preference of this microbe enables it to thrive in a wide range of environments, from soil to plant tissues. Agrobacterium tumefaciens can infect a broad range of plant species, including dicots and some monocots, leading to the formation of crown galls or hairy roots. This microbe has been extensively studied for its ability to transfer DNA to plant cells, a process that has been harnessed for genetic engineering and biotechnology applications, making it a valuable tool for the development of novel plant varieties and the production of recombinant proteins. |
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