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Tang, Shu-Kun,Zhi, Xiao-Yang,Wang, Yun,Wu, Jin-Yuan,Lee, Jae-Chan,Kim, Chang-Jin,Lou, Kai,Xu, Li-Hua,Li, Wen-Jun Microbiology Society 2010 International journal of systematic and evolutiona Vol.60 No.9
<P>A Gram-staining-positive, facultatively anaerobic, non-motile and moderately halophilic actinobacterium, designated YIM 93306<SUP>T</SUP>, was isolated from a salt lake in Xinjiang province, north-west China, and subjected to a polyphasic taxonomic study. Strain YIM 93306<SUP>T</SUP> grew in the presence of 2-16 % (w/v) NaCl and did not grow without NaCl. The peptidoglycan type was A4<I>α</I> with an l-Lys-l-Glu interpeptide bridge. The whole-cell sugars were glucosamine, arabinose, mannose and two unknown sugars. The predominant menaquinone was MK-8(H4). The major fatty acids were iso-C15 : 0, anteiso-C15 : 0 and anteiso-C17 : 0. The polar lipids comprised diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol, one unknown phosphoglycolipid and one unknown phospholipid. The DNA G+C content was 68.3 mol%. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain YIM 93306<SUP>T</SUP> fell within the radius of the suborder <I>Micrococcineae</I>. Its closest phylogenetic neighbour was the type strain of <I>Ruania albidiflava</I> (AS 4.3142<SUP>T</SUP>; 96.2 % 16S rRNA gene sequence similarity), the sole recognized species of the genus <I>Ruania</I>. Sequence similarities between strain YIM 93306<SUP>T</SUP> and members of other genera of the suborder <I>Micrococcineae</I> were <95.2 %. On the basis of phylogenetic analysis, phenotypic characteristics and chemotaxonomic differences, a novel genus and species, <I>Haloactinobacterium album</I> gen. nov., sp. nov., is proposed. The type strain of the species is YIM 93306<SUP>T</SUP> (=DSM 21368<SUP>T</SUP> =KCTC 19413<SUP>T</SUP> =CCTCC AB 208069<SUP>T</SUP>). Based on phylogenetic characteristics and 16S rRNA gene signature nucleotide patterns, the genera <I>Ruania</I> and <I>Haloactinobacterium</I> gen. nov. are proposed to belong to a novel family, <I>Ruaniaceae</I> fam. nov.</P>
Landscape structures of the Central Yangtze region, China
Tang, Zhi Yao,Fang, Jing Yun,Zhao, Shu Qing,Rao, Sheng,Lei, Guang Chun,Cui, Hai Ting 대한원격탐사학회 2000 International Symposium on Remote Sensing Vol.16 No.1
As habitats for many migratory birds, the plain regions of Central Yangtze plays an important role in biodiversity conservation, especially in conservation for birds and fishes. In this study, the landscape structures of the plain regions of the Central Yangtze were analyzed by using remote sensing image data (Landsat TM) and technique of geographical information system (GIS). The landscape component was divided into eight types, broad-leaved forest, shrub, meadow, water body, cropland, urban and bared land. The main results are summarized as follow: (1) Broad-leaved forest is almost made of small patches, while water body and cropland mainly made of large-area patches, suggesting that water body and cropland are the dominant components for landscape structures. (2) Shrub and meadow are highly fragmented, compared to cropland and water body. Water body, meadow and shrub are randomly distributed, whilst bared land and urban occur aggregately. (3) Places with high fragmentation index show a low dominance index value and unapparent dominant components, while the areas with low fragmentation indices, such as Dongting Lake, Poyang Lake and Jianghan Plain, indicate a high dominance index value in which the dominant components were distinct.
You-en Zhang,Jia-ning Wang,Jun-ming Tang,Ling-yun Guo,Jian-ye Yang,Yong-zhang Huang,Yan Tan,Shou-zhi Fu,Xia Kong,Fei Zheng 한국분자세포생물학회 2009 Molecules and cells Vol.27 No.2
Myocardial ischemia-reperfusion injury is a medical problem occurring as damage to the myocardium following blood flow restoration after a critical period of coronary occlusion. Oxygen free radicals (OFR) are implicated in reperfusion injury after myocardial ischemia. The antioxidant enzyme, Cu, Zn-superoxide dismutase (Cu, Zn-SOD, also called SOD1) is one of the major means by which cells counteract the deleterious effects of OFR after ischemia. Recently, we reported that a PEP-1-SOD1 fusion protein was efficiently delivered into cultured cells and isolated rat hearts with ischemia-reperfusion injury. In the present study, we investigated the protective effects of the PEP-1-SOD1 fusion protein after ischemic insult. Immunofluorescecnce analysis revealed that the expressed and purified PEP-1-SOD1 fusion protein injected into rat tail veins was efficiently transduced into the myocardium with its native protein structure intact. When injected into Sprague-Dawley rat tail veins, the PEP-1-SOD1 fusion protein significantly attenuated myocardial ischemia-reperfusion damage; characterized by improving cardiac function of the left ventricle, decreasing infarct size, reducing the level of malondialdehyde (MDA), decreasing the release of creatine kinase (CK) and lactate dehydrogenase (LDH), and relieving cardiomyocyte apoptosis. These results suggest that the biologically active intact forms of PEP-1-SOD1 fusion protein will provide an efficient strategy for therapeutic delivery in various diseases related to SOD1 or to OFR.