02587nas a2200301   4500008004100000022001400041245014900055210006900204260000800273300001200281490000800293520153000301653001301831653002901844653001401873653002901887100001801916700002201934700001401956700002001970700002001990700002702010700002602037700002902063700002402092700003002116856013902146       2017                        eng d  a0723-202000aInvestigation into the taxonomy of “ B. aminovorans” and its reclassification to the genus Domibacillus as Domibacillus aminovorans sp. nov.0 aInvestigation into the taxonomy of B aminovorans and its reclass  cAUG  a458-4670 v40 3 aThe species "Bacillus aminovorans" was categorized as species Incertae Sedis meaning taxa with uncertain taxonomic position because of insufficient description of phenotypic properties and lack of understanding of its phylogenetic relationship (Claus and Berkeley [5]). In this study two strains "B. aminovorans" DSM 1314T and DSM 4337 were phenotypically and phylogenomically analyzed. The strains are Gram-staining-positive, spore forming rods and unable to utilize/ferment most of the sugars tested except glucose. The major fatty acids are anteiso-C15:0 and iso-C15:0. The major polar lipids are diphosphatidylglycerol, phosphatidylglycerol and an aminophosphoglycolipid. The cell wall peptidoglycan is of A1γ type with meso-Dpm as the diamino acid. The menaquinone type present is MK-6. The G+C content of the genomic DNA of the type strain is 40.8mol%. These characteristics were found to be in line with description of the genus Domibacillus. Moreover phylogenetic analysis based on 16S rRNA gene sequence retrieved "B. aminovorans" within the genus Domibacillus with D. antri XD 80T as the closest relative. Additionally genome sequencing of the strains and their comparison with whole genome sequences of other Domibacillus spp. confirmed their distinctiveness and separate species status within the genus based on parameters of genome to genome distance calculator (GGDC) and average nucleotide identity (ANI) values. Therefore a novel species Domibacillus aminovorans sp. nov. (DSM 1314T =LMG 16796T) is proposed.10a16S rRNA10aDomibacillus aminovorans10aMALDI-TOF10a``Bacillus aminovorans''1 aVerma, Ashish1 aOjha, Anup, Kumar1 aPal, Yash1 aKumari, Parveen1 aSchumann, Peter1 aGruber-Vodicka, Harald1 aDastager, Syed, Gulam1 aNatarajan, Ramesh, Kumar1 aMayilraj, Shanmugam1 aKrishnamurthi, Srinivasan  uhttps://library.ncl.res.in/content/investigation-taxonomy-%E2%80%9C-b-aminovorans%E2%80%9D-and-its-reclassification-genus-domibacillus02147nas a2200217   4500008004100000022001400041245020600055210006900261260000900330300001100339490000800350520128800358653002601646653002501672653001401697653002101711653001601732100002301748700002801771856013001799       2020                        eng d  a0277-538700aKinetic and biocompatibility investigation on the catalytic ring opening polymerization of L-lactide in bulk using cyclic Bu2Sn initiators derived from ethylene glycol, pentaerythritol and cloisite 30B0 aKinetic and biocompatibility investigation on the catalytic ring  cJAN   a1142020 v1753 a<p>In the present work, considering a green approach, PLLA was synthesized by the ring-opening polymerization of L-LA using various cyclic initiators (2,2-dibutyl-2-stanna-1,3-dioxacyclo ethane (1), spirocyclic tin (3) and cloisite modified tin (5)). PLLA was characterized by size exclusion chromatography, differential scanning calorimetry, H-1 and C-13 NMR, XRD and MALDI-TOF. The molecular weight distribution was narrow (&lt;1.5) for both low and high molecular weights (&gt;85,000 g/mol). An X-ray study showed the crystalline nature of PLLA, irrespective of the different types of initiators and polymerization conditions. A kinetic investigation showed that all polymerizations were first order with respect to the monomer and no termination reactions occurred during the polymerization. MALDI-TOF spectra of PLLA chains doped with Na+ and K+ cations show that the PLLA prepared using initiators 1 and 3 have hydroxyl and carboxyl end groups without incorporation of tin. The MALDI-TOF spectrum of PLLA prepared using initiator 5 also enabled the simultaneous detection of the linear and cyclic structure of PLLA without tin. Biocompatible and biodegradable PLLA was obtained, which could be used for biomedical applications. (C) 2019 Elsevier Ltd. All rights reserved.</p>
10aCloisite modified tin10aCyclic tin initiator10aMALDI-TOF10aPoly (L-Lactide)10aSpirocyclic1 aMohite, Kavita, K.1 aGarnaik, Baijayantimala  uhttps://library.ncl.res.in/content/kinetic-and-biocompatibility-investigation-catalytic-ring-opening-polymerization-l-lactide