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All Journal Jurnal AgroBiogen
Eny I. Riyanti
Balai Besar Penelitian dan Pengembangan Bioteknologi dan Sumberdaya Genetik Pertanian, Jl. Tentara Pelajar 3A, Bogor 16111 Telp. (0251) 8337975; Faks. (0251) 8338820
Agriculture, Biological Sciences & Forestry

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Pembentukan Populasi Mutan Azospirillum dengan Menggunakan Transposon untuk Sifat Superior terhadap Pelarutan P Toto Hadiarto; Ma'sumah Ma'sumah; Eny I. Riyanti
Jurnal AgroBiogen Vol 8, No 2 (2012): Agustus
Publisher : Balai Besar Penelitian dan Pengembangan Bioteknologi dan Sumber Daya Genetik Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jbio.v8n2.2012.p62-68

Abstract

Azospirillum sp. which has the ability for nitrogenfixation and phosphate solubilization may support modernfarming in Indonesia that is mostly dependent on the usageof chemical fertilizer N, P, and K. Genetic quality ofAzospirillum was improved in this research to obtainsuperior characters toward phosphate solubilization so thatit can become more effective in use for farmers. To achievethis goal, Azospirillum was mutated by means ofelectroporation using transposon EZ-Tn5<kan-2>Tnp. Theelectrotransformation resulted in 20 out of 22 transformantstested contained the marker gen (npt). 10, 6 and 4 mutantshave increased, decreased and lost phosphate-solubilizingfunction, respectively. Mutant with elevated phosphatesolubilizingability may be selected further to be utilized asbiofertilizer while others may be useful for identification ofgenes responsible for phosphate solubilization.
Co-Authors Ma&#039;sumah Ma&#039;sumah Toto Hadiarto