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    <title>DRS Collection: Biological Sciences</title>
    <link>http://drs.nio.org/drs/handle/2264/2</link>
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      <title>The Channel Image</title>
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      <title>The Collection's search engine</title>
      <description>Search the Channel</description>
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      <link>http://drs.nio.org/drs/simple-search</link>
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      <title>Fungal diversity from various marine habitats deduced through culture-independent studies</title>
      <link>http://drs.nio.org/drs/handle/2264/4291</link>
      <description>Title: Fungal diversity from various marine habitats deduced through culture-independent studies
&lt;br/&gt;
&lt;br/&gt;Authors: Jebaraj, C.M.; Raghukumar, C.
&lt;br/&gt;
&lt;br/&gt;Abstract: Studies on the molecular diversity of the micro-eukaryotic community have shown that fungi occupy a central position in a large number of marine habitats. Environmental surveys using molecular tools have shown the presence of fungi from a large number of marine habitats such as deep-sea habitats, pelagic waters, coastal regions, hydrothermal vent ecosystem, anoxic habitats, and icecold regions. This is of interest to a variety of research disciplines like ecology, evolution, biogeochemistry, and biotechnology. This review summarizes how molecular tools have helped to broaden understanding of the fungal diversity in various marine habitats. Majority of the environmental phylotypes could be grouped as novel clades within Ascomycota, Basidiomycota, and Chytridiomycota or as basal fungal lineages. Deep-branching novel environmental clusters could be grouped within Ascomycota as the Pezizomycotina clone group, deep-sea fungal group-I, and soil clone group-I, within Basidiomycota as the hydrothermal and/or anaerobic fungal group, and within Chytridiomycota as Cryptomycota or the Rozella clade. However, a basal true marine environmental cluster is still to be identified as most of the clusters include representatives from terrestrial regions. The challenge for future research is to explore the true marine fungi using molecular techniques.</description>
      <pubDate>Mon, 29 Oct 2012 22:58:59 GMT</pubDate>
    </item>
    <item>
      <title>Tetraselmis indica (Chlorodendrophyceae, Chlorophyta), a new species isolated from salt pans in Goa, India</title>
      <link>http://drs.nio.org/drs/handle/2264/4290</link>
      <description>Title: Tetraselmis indica (Chlorodendrophyceae, Chlorophyta), a new species isolated from salt pans in Goa, India
&lt;br/&gt;
&lt;br/&gt;Authors: Mani, A.; Anil, A.C.; Leliaert, F.; Delany, J.; Mesbahi, E.
&lt;br/&gt;
&lt;br/&gt;Abstract: A new species of Tetraselmis, T. indica Arora &amp; Anil, was isolated from nanoplankton collected from salt pans in Goa (India) and is described based on morphological, ultrastructural, 18S rRNA gene sequence and genome size data. The species is characterized by a distinct eyespot, rectangular nucleus, a large number of Golgi bodies, two types of flagellar pit hairs and a characteristic type of cell division. In nature, the species was found in a wide range of temperatures (48 degrees C down to 28 degrees C) and salinities, from hypersaline (up to 350 psu) down to marine (c. 35 psu) conditions. Phylogenetic analysis based on 18S rDNA sequence data showed that T. indica is most closely related to unidentified Tetraselmis strains from a salt lake in North America.</description>
      <pubDate>Mon, 29 Oct 2012 22:58:59 GMT</pubDate>
    </item>
    <item>
      <title>Marine actinobacteria showing phosphate-solubilizing efficiency in Chorao Island, Goa, India</title>
      <link>http://drs.nio.org/drs/handle/2264/4284</link>
      <description>Title: Marine actinobacteria showing phosphate-solubilizing efficiency in Chorao Island, Goa, India
&lt;br/&gt;
&lt;br/&gt;Authors: Dastager, S.G.; Damare, S.R.
&lt;br/&gt;
&lt;br/&gt;Abstract: The occurrence and distribution of an actinobacteria group of bacteria capable of dissolving insoluble phosphates were investigated in this study in marine environments, especially in sediments of Chorao Island, Goa, India. A total of 200 bacterial isolates of actinobacteria was isolated. All isolates were screened for phosphate-solubilizing activity on Pikovskaya's agar. Thirteen different isolates exhibiting maximum formation of halos (zone of solubilization) around the bacterial colonies were selected for quantitative estimations of P-solubilization. Quantitative estimations for P-solubilization were analyzed for up to 10 days at intervals of 24 h. Maximum solubilization from 89.3 plus or minus 3.1 to 164.1 plus or minus 4.1 mu g ml sup(-1) was observed after 6 days of incubation in six of all isolates, while the isolate NII-1020 showed maximum P-solubilization. The increase in solubilization coincided with the drop in pH. Many of these species showed wide range of tolerance to temperature, pH, and salt concentrations. Further, 16S rRNA gene sequence analyses were carried to identify the bacterial groups which are actively solubilized phosphate in vitro. Gene sequencing results reveal that all isolates were clustered into six different actinobacterial genera: Streptomyces, Microbacterium, Angustibacter, Kocuria, Isoptericola, and Agromyces. The presence of phosphate-solubilizing microorganisms and their ability to solubilize phosphate were indicative of the important role played by bacteria in the biogeochemical cycle of phosphorus and the plant growth in coastal ecosystems.</description>
      <pubDate>Mon, 29 Oct 2012 22:58:59 GMT</pubDate>
    </item>
    <item>
      <title>Diseases and parasites in cultured yellow seahorse, Hippocampus kuda (Bleeker, 1852)</title>
      <link>http://drs.nio.org/drs/handle/2264/4281</link>
      <description>Title: Diseases and parasites in cultured yellow seahorse, Hippocampus kuda (Bleeker, 1852)
&lt;br/&gt;
&lt;br/&gt;Authors: Sanaye, S.V.; Pawar, H.B.; Murugan, A.; Sreepada, R.A.; Singh, T.; Ansari, Z.A.
&lt;br/&gt;
&lt;br/&gt;Abstract: Yellow seahorses that occur in the sea, because of their commercial importance are now cultured. But they are prone to diseases and parasites. The problems encountered in rearing of juveniles, solutions and treatments are suggested.</description>
      <pubDate>Mon, 29 Oct 2012 22:58:59 GMT</pubDate>
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