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Anandham, R.,Sridar, R.,Nalayini, P.,Poonguzhali, S.,Madhaiyan, M.,sa, T. G. Fischer 2007 MICROBIOLOGICAL RESEARCH Vol.162 No.2
The use of Rhizobium inoculant for groundnut is a common practice in India. Also, co-inoculation of Rhizobium with other plant growth-promoting bacteria received considerable attention in legume growth promotion. Hence, in the present study we investigated effects of co-inoculating the sulfur (S)-oxidizing bacterial strains with Rhizobium, a strain that had no S-oxidizing potential in groundnut. Chemolithotrophic S-oxidizing bacterial isolates from different sources by enrichment isolation technique included three autotrophic (LCH, SWA5 and SWA4) and one heterotrophic (SGA6) strains. All the four isolates decreased the pH of the growth medium through oxidation of elemental S to sulfuric acid. Characterization revealed that these isolates tentatively placed into the genus Thiobacillus. Clay-based pellet formulation (2.5x10<SUP>7</SUP>cfug<SUP>-1</SUP> pellet) of the Thiobacillus strains were developed and their efficiency to promote plant growth was tested in groundnut under pot culture and field conditions with S-deficit soil. Experiments in pot culture yielded promising results on groundnut increasing the plant biomass, nodule number and dry weight, and pod yield. Co-inoculation of Thiobacillus sp. strain LCH (applied at 60kgha<SUP>-1</SUP>) with Rhizobium under field condition recorded significantly higher nodule number, nodule dry weight and plant biomass 136.9 plant<SUP>-1</SUP>, 740.0mg plant<SUP>-1</SUP> and 15.0g plant<SUP>-1</SUP>, respectively, on 80 days after sowing and enhanced the pod yield by 18%. Also inoculation of S-oxidizing bacteria increased the soil available S from 7.4 to 8.43kgha<SUP>-1</SUP>. These results suggest that inoculation of S-oxidizing bacteria along with rhizobia results in synergistic interactions promoting the yield and oil content of groundnut, in S-deficit soils.
Acinetobacter brisouii sp. nov., Isolated from a Wetland in Korea
Anandham, Rangasamy,Weon, Hang-Yeon,Kim, Soo-Jin,Kim, Yi-Seul,Kim, Byung-Yong,Kwon, Soon-Wo 한국미생물학회 2010 The journal of microbiology Vol.48 No.1
A bacterial strain $5YN5-8^T$ was isolated from peat layer on Yongneup in Korea. Cells of strain $5YN5-8^T$ were strictly aerobic, Gram-negative, coccobacilli, non-spore forming, and non-motile. The isolate exhibited optimal growth at $28^{\circ}C$, pH 7.0, and 0-1% NaCl. Results of 16S rRNA gene sequence analyses indicated a close relationship of this isolate to Acinetobacter calcoaceticus (97.8% similarity for strain DSM $30006^T$). It also exhibited 94.4-97.8% 16S rRNA gene sequence similarities to the validly published Acinetobacter species. The value for DNA-DNA hybridization between strain $5YN5-8^T$ and other members of the genus Acinetobacter ranged from 16 to 28%. Predominant cellular fatty acids were $C_{18:1}$ ${\omega}9c$, summed feature 4 containing $C_{15:0}$ iso 2-OH and/or $C_{16:1}$ ${\omega}7c$, and $C_{16:0}$. The DNA G+C content was 43.9 mol%. Phylogenetic, phenotypic, and chemotaxonomic data accumulated in this study revealed that the isolate could be classified in a novel species of the genus Acinetobacter. The name Acinetobacter brisouii sp. nov. is proposed for the novel species, with $5YN5-8^T$ (=KACC $11602^T$ =DSM $18516^T$) as the type strain.
Anandham, Rangasamy,Weon, Hang-Yeon,Kim, Soo-Jin,Kim, Yi-Seul,Kwon, Soon-Wo Microbiology Society 2010 International journal of systematic and evolutiona Vol.60 No.7
<P>A strictly aerobic, Gram-staining-negative, oxidase- and catalase-positive, non-motile, rod-shaped bacterium, designated strain 5416T-29<SUP>T</SUP>, was isolated from air and was characterized by using a polyphasic approach. Colonies were reddish pink and circular with entire margins. Flexirubin-type pigments were absent. The strain formed a distinct phylogenetic lineage within the family <I>Cytophagaceae</I> of the phylum <I>Bacteroidetes</I>. Strain 5416T-29<SUP>T</SUP> did not show more than 88 % 16S rRNA gene sequence similarity to the type strain of any recognized species. The major cellular fatty acids were C16 : 1<I>ω</I>5<I>c</I>, iso-C17 : 0 3-OH and iso-C15 : 0. The polar lipids were phosphatidylethanolamine, one unknown amino lipid and several unknown polar lipids. Menaquinone-7 (MK-7) was the major respiratory quinone. The G+C content of the DNA of strain 5416T-29<SUP>T</SUP> was 45.5 mol%. Results of phenotypic and phylogenetic analyses clearly indicate that strain 5416T-29<SUP>T</SUP> represents a novel species of a new genus in the family <I>Cytophagaceae</I>, for which the name <I>Rhodocytophaga aerolata</I> gen. nov., sp. nov. is proposed. The type strain of <I>Rhodocytophaga aerolata</I> is 5416T-29<SUP>T</SUP> (=KACC 12507<SUP>T</SUP> =DSM 22190<SUP>T</SUP>).</P>
Microbacterium suwonense sp. nov., Isolated from Cow Dung
Rangasamy Anandham,Tomohiko Tamura,Moriyuki Hamada,원항연,Soo-Jin Kim,Yi-Seul Kim,Ken-ichiro Suzuki,권순우 한국미생물학회 2011 The journal of microbiology Vol.49 No.5
An actinomycete strain, designated M1T8B9^T, was isolated from cow dung in Suwon, Republic of Korea. The isolate was a Gram-positive, nonmotile, and non-spore-forming bacterium. Phylogenetic evaluation based on 16S rRNA gene sequence similarity showed that this isolate belongs to the genus Microbacterium, with its closest neighbors being Microbacterium soli DCY17^T (98.2%) and Microbacterium esteraromaticum DSM 8609^T (98.0%). The polar lipid pattern consisted of diphosphatidylglycerol, phosphatidylglycerol, and one unknown glycolipid. Strain M1T8B9^T contained the major fatty acids C_(15:0) anteiso, C_(16:0) iso, C_(17:0) anteiso, and C_(15:0) iso, and the cell-wall peptidoglycan was of type B2β. According to DNA-DNA hybridization studies, strain M1T8B9^T showed 42% and 26% relatedness with M. soli DCY17^T and M. esteraromaticum DSM 8609^T, respectively. On the basis of the data presented, strain M1T8B9^T is considered to represent a novel species of the genus Microbacterium, for which the name Microbacterium suwonense sp. nov. is proposed. The type strain is M1T8B9^T (=KACC 14058^T =NBRC 106310^T).
Paraherbaspirillum soli gen. nov., sp. nov. Isolated from Soil
Rangasamy Anandham,김수진,문지영,원항연,권순우 한국미생물학회 2013 The journal of microbiology Vol.51 No.2
A bacterial strain, designated JS5-2T, was isolated from soil collected from Jeju Island, Republic of Korea. The cells of the strain were Gram-negative, nonspore forming, catalaseand oxidase-positive, aerobic, nonmotile and rod-shaped. Strain JS5-2T exhibited 96.2–97.2, 95.1–96.3, and 95.4–95.8%16S rRNA gene sequence similarities to the genera Herbaspirillum,Oxalicibacterium, and Herminiimonas, respectively. The highest sequence similarities were with Herbaspirillum autotrophicum IAM 14942T (97.2%) and Herbaspirillum frisingense GSF30T (97.1%). The major fatty acids of strain JS5-2T were C16:0(35.0%), C17:0 cyclo (19.9%), C18:1 ω7c (11.4%),and summed feature 3 (C16:1 ω7c/C15:0 iso 2-OH) (15.2%),and the major polar lipids of strain JS5-2T were diphosphatidylglycerol and an unknown aminophospholipid. The strain contained Q-8 as the predominant ubiquinone. DNA-DNA relatedness values between strain JS5-2T and H. autotrophicum IAM 14942T, and H. frisingense GSF30T were 32 and 35%, respectively. The DNA G+C content of strain JS5-2T was 59.0 mol%. On the basis of phenotypic, genotypic, and physiological evidence, strain JS5-2T represents a novel species of a new genus, for which the name Paraherbaspirillum soli gen. nov., sp. nov. is proposed. The type strain JS5-2T (=KACC 12633T =NBRC 106496T) is proposed.