Muhammad Asril, Yuni Lisafitri, Ainin Niswati, Suskandini Ratih Dirmawati, Risky Hadi Wibowo, Sipriyadi Sipriyadi
Phosphorus (P) is an essential element needed by plants. The presence of phosphorus in the environment, especially soil in the form of bound phosphates. This condition can be affected by the acidity of the soil. Available phosphates can be released by phosphate solubilizing bacteria. EF.NAP 1 isolate is a phosphate-solubilizing bacteria that has been successfully isolated from acid soil in the area of the Institut Teknologi Sumatera (ITERA), Lampung, Indonesia, and potency as plant growth-promoting bacteria (PGPB). Based on the results of identification using the 16S rRNA gene, EF.NAP 1 isolates has similarities with Burkholderia territorii. These isolates were able to dissolve phosphate of 104.7 mg/L. P dissolution correlates with the growth phase of bacterial cells. During the phosphate dissolution process, the pH of the medium continues to increase, inversely proportional to the concept in general. The EF.NAP 1 isolate is able to produce six organic acids, i.e, acetic (339.14 mg/L), lactic (260.97 (mg/L), malic (133.24 mg/L), formic (31.52 mg/L), fumaric (19.31 mg/L) and tartaric acids (19.13 mg/L). B. territorii can produce IAA, nitrogenase, siderophore, HCN, chitinase, protease, and cellulose. The potency of B. territorii EF.NAP 1 as phosphate solubilizing bacteria and PGPB properties that have not been reported by others. © 2023 Universitatea "Alexandru Ioan Cuza" din Iasi. All rights reserved.
Biology Department, Faculty of Science, Institut Teknologi Sumatera, Lampung, 35365, Indonesia; Environmental Engineering Department, Faculty of Infrastructure and Regional Technology, Institut Teknologi Sumatera, Lampung, 35365, Indonesia; Soil Science Department, Faculty of Agriculture, Lampung University, Lampung, 35145, Indonesia; Agrotechnology Department, Faculty of Agriculture, Lampung University, Lampung, 35145, Indonesia; Biology Department, Faculty of Mathematics and Natural Science, Bengkulu University, Bengkulu, 38371, Indonesia; Program of Biology, Department of Biology, Faculty of Mathematics and Natural Sciences, Bengkulu University, Bengkulu, 38371, Indonesia; Research Centre of Sumatera Natural Products and Functional Materials, Bengkulu University, Bengkulu, 38371, Indonesia
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