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  1. Article: Short Communication: Metabolites of Albizia inhibit in vitro growth of phosphate solubilizing microbial consortia isolated from tea garden soil of Darjeeling hills, India

    SAHA, SUMEDHA / GHOSH, ARINDAM / ACHARYYA, SUKANYA / BHATTACHARYA, MALAY

    Biodiversitas. 2022 June, v. 23, no. 6

    2022  

    Abstract: Saha S, Ghosh A, Acharyya S, Bhattacharya M. 2022. Short Communication: Metabolites of Albizia inhibit in vitro growth of phosphate solubilizing microbial consortia isolated from tea garden soil of Darjeeling hills, India. Biodiversitas 23: 2865-2870. ... ...

    Abstract Saha S, Ghosh A, Acharyya S, Bhattacharya M. 2022. Short Communication: Metabolites of Albizia inhibit in vitro growth of phosphate solubilizing microbial consortia isolated from tea garden soil of Darjeeling hills, India. Biodiversitas 23: 2865-2870. Phosphate solubilizing microorganisms (PSM) play a crucial role in maintaining the nutritional status and fertility of the soil. PSMs help in solubilizing the metallic phosphate salts of soil into available phosphate anions for easy uptake by plants. However, this beneficial group of microorganisms also face different challenges for survival from its immediate surroundings. This study was carried out to assess the effect of shade tree litters on the PSM consortia isolated from different tea garden soils of Darjeeling hills, since shade trees are an integral part of tea plantations. Albizia odoratissima, Albizia chinensis and Albizia procera, widely used in tea gardens as shade trees were selected. GC-MS analysis was carried out to detect the metabolites produced by the litters. Twenty-three compounds exhibiting antimicrobial activities were detected. Major peak was found in A. odoratissima, followed by A. chinensisand least in A. procera. Compounds like 1-heptanol, 2-propyl-, neophytadiene, phytol and squalene were common in all three extracts and are considered to provided antimicrobial activity to Albizia. A proportional relation has been observed between magnitude of inhibition zones and peak area percentage in Albizia spp. PSM isolates from shade tree gardens were observed to be more tolerant toward the leaf extracts.
    Keywords Albizia chinensis ; Albizia odoratissima ; Albizia procera ; antimicrobial properties ; gardens ; leaves ; metabolites ; nutritional status ; phosphates ; solubilization ; squalene ; tea ; India
    Language English
    Dates of publication 2022-06
    Publishing place MBI & UNS Solo
    Document type Article
    ZDB-ID 2660049-3
    ISSN 2085-4722
    ISSN 2085-4722
    DOI 10.13057/biodiv/d230612
    Database NAL-Catalogue (AGRICOLA)

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  2. Article ; Online: Characterization of a mercury tolerant strain of Staphylococcus arlettae from Darjeeling hills with an account of its antibiotic resistance pattern and metabolome

    Acharyya, Sukanya / Saha, Sumedha / Majumder, Soumya / Bhattacharya, Malay

    Arch Microbiol. 2021 Nov., v. 203, no. 9 p.5745-5754

    2021  

    Abstract: Mercury (Hg) is a ubiquitous heavy metal grouped with the top ten most toxic pollutants affecting both human and environmental health. Consequently, mercury contamination due to anthropogenic interference has become a rising global concern. The bacterial ...

    Abstract Mercury (Hg) is a ubiquitous heavy metal grouped with the top ten most toxic pollutants affecting both human and environmental health. Consequently, mercury contamination due to anthropogenic interference has become a rising global concern. The bacterial strain MTD10A was isolated from soil samples collected over the Darjeeling hills. Heavy metal tolerance study conducted exhibited considerable tolerance to mercury by this bacterial isolate at unprecedented concentrations of up to 0.1 mg/mL of HgCl₂. Biochemical characterization and molecular identification via 16S rRNA sequencing identified this highly tolerant bacteria as a strain of a Coagulase Negative Staphylococcus arlettae. This study also maps the resistance pattern of MTD10A against clinically relevant antibiotics and contains a broad assessment of the metabolomic profile of the bacteria achieved via GC–MS. Tolerance of MTD10A to such excessive levels of mercury shown in our study suggests the possibility of a promising candidate for bioremediation in heavily mercury contaminated areas.
    Keywords Staphylococcus arlettae ; anthropogenic activities ; antibiotic resistance ; bioremediation ; coagulase negative staphylococci ; environmental health ; heavy metals ; humans ; mercury ; metabolome ; metabolomics ; metal tolerance ; soil ; toxicity
    Language English
    Dates of publication 2021-11
    Size p. 5745-5754.
    Publishing place Springer Berlin Heidelberg
    Document type Article ; Online
    ZDB-ID 124824-8
    ISSN 1432-072X ; 0302-8933
    ISSN (online) 1432-072X
    ISSN 0302-8933
    DOI 10.1007/s00203-021-02563-5
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    In stock of ZB MED Bonn / Germany

    Z 75/91: Show issues

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  3. Article ; Online: Characterization of a mercury tolerant strain of Staphylococcus arlettae from Darjeeling hills with an account of its antibiotic resistance pattern and metabolome.

    Acharyya, Sukanya / Saha, Sumedha / Majumder, Soumya / Bhattacharya, Malay

    Archives of microbiology

    2021  Volume 203, Issue 9, Page(s) 5745–5754

    Abstract: Mercury (Hg) is a ubiquitous heavy metal grouped with the top ten most toxic pollutants affecting both human and environmental health. Consequently, mercury contamination due to anthropogenic interference has become a rising global concern. The bacterial ...

    Abstract Mercury (Hg) is a ubiquitous heavy metal grouped with the top ten most toxic pollutants affecting both human and environmental health. Consequently, mercury contamination due to anthropogenic interference has become a rising global concern. The bacterial strain MTD10A was isolated from soil samples collected over the Darjeeling hills. Heavy metal tolerance study conducted exhibited considerable tolerance to mercury by this bacterial isolate at unprecedented concentrations of up to 0.1 mg/mL of HgCl
    MeSH term(s) Biodegradation, Environmental ; Drug Resistance, Microbial ; Humans ; Mercury ; Metabolome ; Metals, Heavy ; RNA, Ribosomal, 16S/genetics ; Soil Microbiology ; Soil Pollutants ; Staphylococcus
    Chemical Substances Metals, Heavy ; RNA, Ribosomal, 16S ; Soil Pollutants ; Mercury (FXS1BY2PGL)
    Language English
    Publishing date 2021-09-07
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 124824-8
    ISSN 1432-072X ; 0302-8933
    ISSN (online) 1432-072X
    ISSN 0302-8933
    DOI 10.1007/s00203-021-02563-5
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 805: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  4. Article: Photosynthetic organs of wild Indian tea tree are rich in patchouli components: a GC-MS based metabolomics

    Majumder, Soumya / Sarkar, Sahadeb / Ghosh, Arindam / Acharyya, Sukanya / Saha, Sumedha / Chakraborty, Sourav / Bhattacharya, Malay

    Natural product research. 2022 Apr. 18, v. 36, no. 8

    2022  

    Abstract: Gas chromatography-mass spectrometry is an essential tool for metabolomics. In this research we have selected photosynthetic organs- leaf and sepal of a wild Indian tea tree from north-east India to study wild tea metabolites. The result of this study ... ...

    Abstract Gas chromatography-mass spectrometry is an essential tool for metabolomics. In this research we have selected photosynthetic organs- leaf and sepal of a wild Indian tea tree from north-east India to study wild tea metabolites. The result of this study reveals that photosynthetic parts of wild Indian tea tree are rich in ‘patchouli’ components unlike established cultivated varieties which are known to be rich in polyphenols or flavonoids. Twenty six compounds were detected in sesquiterpene rich leaf while nineteen were detected in the waxy sepal. The remarkable outcome of this study is presence of fourteen ‘patchouli’ compounds including patchouli alcohol as the major compound (44.81% in leaf and 19.59% in sepal) which can promote this plant to a top-notch position in fields of botany, pharmaceuticals and essential oil industry by occupying the throne of patchouli.
    Keywords Pogostemon cablin ; drugs ; fats and oils industry ; flavonoids ; gas chromatography-mass spectrometry ; leaves ; metabolites ; metabolomics ; photosynthesis ; polyphenols ; research ; sesquiterpenoids ; tea ; trees ; India
    Language English
    Dates of publication 2022-0418
    Size p. 2191-2195.
    Publishing place Taylor & Francis
    Document type Article
    ZDB-ID 2185747-7
    ISSN 1478-6427 ; 1478-6419
    ISSN (online) 1478-6427
    ISSN 1478-6419
    DOI 10.1080/14786419.2020.1851222
    Database NAL-Catalogue (AGRICOLA)

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  5. Article ; Online: Photosynthetic organs of wild Indian tea tree are rich in patchouli components: a GC-MS based metabolomics.

    Majumder, Soumya / Sarkar, Sahadeb / Ghosh, Arindam / Acharyya, Sukanya / Saha, Sumedha / Chakraborty, Sourav / Bhattacharya, Malay

    Natural product research

    2020  Volume 36, Issue 8, Page(s) 2191–2195

    Abstract: Gas chromatography-mass spectrometry is an essential tool for metabolomics. In this research we have selected photosynthetic organs- leaf and sepal of a wild Indian tea tree from north-east India to study wild tea metabolites. The result of this study ... ...

    Abstract Gas chromatography-mass spectrometry is an essential tool for metabolomics. In this research we have selected photosynthetic organs- leaf and sepal of a wild Indian tea tree from north-east India to study wild tea metabolites. The result of this study reveals that photosynthetic parts of wild Indian tea tree are rich in 'patchouli' components unlike established cultivated varieties which are known to be rich in polyphenols or flavonoids. Twenty six compounds were detected in sesquiterpene rich leaf while nineteen were detected in the waxy sepal. The remarkable outcome of this study is presence of fourteen 'patchouli' compounds including patchouli alcohol as the major compound (44.81% in leaf and 19.59% in sepal) which can promote this plant to a top-notch position in fields of botany, pharmaceuticals and essential oil industry by occupying the throne of patchouli.
    MeSH term(s) Gas Chromatography-Mass Spectrometry/methods ; Metabolomics/methods ; Pogostemon ; Tea/chemistry ; Trees
    Chemical Substances Tea
    Language English
    Publishing date 2020-11-29
    Publishing country England
    Document type Journal Article
    ZDB-ID 2185747-7
    ISSN 1478-6427 ; 1478-6419
    ISSN (online) 1478-6427
    ISSN 1478-6419
    DOI 10.1080/14786419.2020.1851222
    Database MEDical Literature Analysis and Retrieval System OnLINE

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