Bacillus polymyxa





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                Bacillus polymyxa merupakan bakteri yang menghasilkan antibiotik polimiksin B yang dapat dimanfaatkan untuk pengobatan infeksi bakteri gram negatif, sedangkan Bacillus subtilis adalah bakteri penghasil antibiotik untuk pengobatan infeksi bakteri gram positif. Streptomyces griseus penghasil antibiotik streptomisin untuk pengobatan bakteri gram negatif termasuk bakteri penyebab TBC dan Streptomyces rimosus penghasil antibiotik terasiklin untuk berbagai infeksi bakteri.
                Bakteri Bacillus polymyxa termasuk jenis bakteri yang menguntungkan di bidang kesehatan, bidang lingkungan dan pangan karena mengandung antibiotik dimana  antibiotik merupakan zat yang dihasilkan oleh mikroorganisme dan mempunyai daya hambat terhadap kegiatan mikroorganisme lain. Antibiotik yang efektif bagi banyak spesies bakteri, baik kokus, basil, maupun spiril, dikatakan mempunyai spektrum luas. Sebaliknya, suatu antibiotik yang hanya efektif untuk spesies tertentu, disebut antibiotik yang spektrumnya sempit. Pinisilin hanya efektif untuk membrantas terutama jenis kokus, oleh karena itu pinisilin dikatakan mempunyai spektrum yang sempit. Tetrasiklin efektif bagi kokus, basil dan jenis spiril tertentu, oleh karena itu tetrasiklin dikatakan mempunyai spektrum luas. Sebelum suatu antibiotik digunakan untuk keperluan pengobatan, maka perlulah terlebih dahulu antibiotik itu diuji efeknya terhadap spesies bakteri tertentu.
Nama ilmiah : Paenibacillus polymyxa
Nama lain :
› "Aerobacillus polymyxa" (Prazmowski 1880) Donker 1926
› "Clostridium polymyxa" Prazmowski 1880
› "Granulobacter polymyxa" (Prazmowski 1880) Beijerinck 1893
› Aerobacillus polymyxa
› Bacillus polymyxa (Prazmowski 1880) Mace 1889 (Approved Lists 1980)
› Clostridium polymyxa
› Granulobacter polymyxa
› Paenibacillus polymyxa (Prazmowski 1880) Ash et al. 1994


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