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Identification and characterization of actinomycetes for biological control of bacterial scab of Streptomyces scabies isolated from potato [electronic resource].

By:

Hamedo, Hind A

Contributor(s):

Makhlouf, Abeer H

Language: English Summary language: Arabic Description: P.1349-1361Other title:

المقاومة الحيوية لمرض الجرب فى البطاطس بواسطة عزل وتعريف نوعين من الاكتينوميسيتات [Added title page title]

Uniform titles:

Minufiya journal of agricultural research, 2012 V. 37 (6) Part 1 [electronic resource].

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In: Minufiya Journal of Agricultural Research 2012.v.37(6)P.1Summary: A novel strain of Streptomyces in Egypt (known as streptomyces scabies) was isolated from a scabby potato field in different regions of Egypt. The taxonomy of the organism was determined by morphology, biochemistry, and physiological cheracteristics. Two bacterial strains (actinomycetes) which were isolated from soil sample and showed antagonistic activity towards potato scab were identified using specific polymerase chain reaction (PCR) of 16S rDNA gene. The 16SrDNA sequence analysis showed that the 1st strain belongs to the genus streptomyces, with closest similarity to Streptomyces avermitilis MA-4680 (100% similarity). Sequence similarities between the 1ststrain and other streptomyces species in the same subclade ranged from 98% (with streptomyces griseus NBRC 13350 and Streptomyces sp. Wigar10).

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A novel strain of Streptomyces in Egypt (known as streptomyces scabies) was isolated from a scabby potato field in different regions of Egypt. The taxonomy of the organism was determined by morphology, biochemistry, and physiological cheracteristics. Two bacterial strains (actinomycetes) which were isolated from soil sample and showed antagonistic activity towards potato scab were identified using specific polymerase chain reaction (PCR) of 16S rDNA gene. The 16SrDNA sequence analysis showed that the 1st strain belongs to the genus streptomyces, with closest similarity to Streptomyces avermitilis MA-4680 (100% similarity). Sequence similarities between the 1ststrain and other streptomyces species in the same subclade ranged from 98% (with streptomyces griseus NBRC 13350 and Streptomyces sp. Wigar10).

Summary in arabic.

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