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      Ectomychorrizal DB: a symbiotic association database

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          Abstract

          Ectomycorrhizal (ECM) fungal species, a “Symbiotic” relationship between tress and fungi in forest has a great ecological and economic importance. Here is an attempt to describe database named “EctomycorrhizalDB”, addressing ECM diversity of Central Himalaya (Kumaun region), with special emphasis on their characterization, physical properties and morphological features along with specifications. This database would help the scientific community to draw a better understanding of the environmental factors that affects species diversity.

          Availability

          The database is available for free at http://www.kubic.nic.in/ectomychorhiza

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          Most cited references9

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          Phylogenetic distribution and evolution of mycorrhizas in land plants.

          B. Wang, Y.-L. Qiu (2006)
          A survey of 659 papers mostly published since 1987 was conducted to compile a checklist of mycorrhizal occurrence among 3,617 species (263 families) of land plants. A plant phylogeny was then used to map the mycorrhizal information to examine evolutionary patterns. Several findings from this survey enhance our understanding of the roles of mycorrhizas in the origin and subsequent diversification of land plants. First, 80 and 92% of surveyed land plant species and families are mycorrhizal. Second, arbuscular mycorrhiza (AM) is the predominant and ancestral type of mycorrhiza in land plants. Its occurrence in a vast majority of land plants and early-diverging lineages of liverworts suggests that the origin of AM probably coincided with the origin of land plants. Third, ectomycorrhiza (ECM) and its derived types independently evolved from AM many times through parallel evolution. Coevolution between plant and fungal partners in ECM and its derived types has probably contributed to diversification of both plant hosts and fungal symbionts. Fourth, mycoheterotrophy and loss of the mycorrhizal condition also evolved many times independently in land plants through parallel evolution.
          Article 0 comments Cited 491 times – based on 0 reviews     Review now
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            Archaeorhizomycetes: unearthing an ancient class of ubiquitous soil fungi.

            Gwen-Aëlle Grelet, Allyson K. Martínez, Filipa Cox … (2011)
            Estimates suggest that only one-tenth of the true fungal diversity has been described. Among numerous fungal lineages known only from environmental DNA sequences, Soil Clone Group 1 is the most ubiquitous. These globally distributed fungi may dominate below-ground fungal communities, but their placement in the fungal tree of life has been uncertain. Here, we report cultures of this group and describe the class, Archaeorhizomycetes, phylogenetically placed within subphylum Taphrinomycotina in the Ascomycota. Archaeorhizomycetes comprises hundreds of cryptically reproducing filamentous species that do not form recognizable mycorrhizal structures and have saprotrophic potential, yet are omnipresent in roots and rhizosphere soil and show ecosystem and host root habitat specificity.
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              Azelaic acid. A review of its pharmacological properties and therapeutic efficacy in acne and hyperpigmentary skin disorders.

              A Fitton, K L Goa (1991)
              Azelaic acid is a naturally occurring saturated dicarboxylic acid which, on topical application (usually as a 20% cream), has been shown to be effective in the treatment of comedonal acne and inflammatory (papulopustular, nodular and nodulocystic) acne, as well as various cutaneous hyperpigmentary disorders characterised by hyperactive/abnormal melanocyte function, including melasma and, possibly, lentigo maligna. In addition, azelaic acid has an antiproliferative and cytotoxic effect on the human malignant melanocyte, and preliminary findings indicate that it may arrest the progression of cutaneous malignant melanoma. The mechanism of this selective cytotoxic action of azelaic acid is unclear, but may possibly be related to its inhibition of mitochondrial oxidoreductase activity and DNA synthesis. In controlled studies, topical azelaic acid demonstrated comparable anti-acne efficacy to topical tretinoin, benzoyl peroxide, erythromycin and oral tetracycline, while in patients with melasma azelaic acid proved at least as effective as topical hydroquinone. On topical application azelaic acid is well tolerated, with adverse effects apparently limited to a generally mild and transient local cutaneous irritation. Thus, topical azelaic acid, employed either as monotherapy or in combination with other treatments, is likely to prove of value in the management of acne and several hyperpigmentary disorders, most notably melasma.
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                Author and article information

                Journal
                Journal ID (nlm-ta): Bioinformation
                Journal ID (publisher-id): Bioinformation
                Title: Bioinformation
                Publisher: Biomedical Informatics
                ISSN (Electronic): 0973-2063
                Publication date Collection: 2012
                Publication date (Electronic): 20 January 2012
                Volume: 8
                Issue: 2
                Pages: 104-106
                Affiliations
                DBT-BIF Facility, Department of Biotechnology, Kumaun University, Nainital, Uttarakhand, India
                Author notes
                Article
                Publisher ID: 97320630008104
                PMC ID: 3282265
                PubMed ID: 22359444
                SO-VID: a2fdfd03-7a3f-482a-9f19-e1ac4f4f47f3
                Copyright © © 2012 Biomedical Informatics
                License:

                This is an open-access article, which permits unrestricted use, distribution, and reproduction in any medium, for non-commercial purposes, provided the original author and source are credited.

                History
                Date received : 15 November 2011
                Date accepted : 16 November 2011
                Categories
                Subject: Database

                ScienceOpen disciplines: Bioinformatics & Computational biology
                Keywords: ectomycorrhiza,database,html,pubmed,real time,fungi,symbiotic,mesh,himalayan
                Data availability:
                ScienceOpen disciplines: Bioinformatics & Computational biology
                Keywords: ectomycorrhiza, database, html, pubmed, real time, fungi, symbiotic, mesh, himalayan

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