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NCBI Database
Sequence Submitted

Some of the important genes identified in the forward library of Grey Blight

Up-Regulated genes GenBank_Accn No.
Proline-rich protein GW787581
Ubiquitin like protein SMT3 GW787598
Heat shock protein GW787585
Serine/threonine dehydratase GW787653
Catalase GW787614
TAFII140 protein GW787599
SUMO GW787598

Some of the important genes identified in the reverse library of Grey Blight

Down-Regulated genes GenBank_Accn No.
Proline-rich protein GW787716
Acidic chitinase GW787581
Actin GW787719
RNase P GW787662
Serine / Threonine protein kinase GW787682
Pseudourine synthase B GW787711
Cleavage and polyadenylation specific factor GW787675
Transcriptional regulator Lys R family protein GW787673
NADH dehydrogenase subunit-4 GW787715
AAA ATPase GW787688
Reverse Transcriptase GW787689
Sequence Submission – NCBI Database
  • Identification of differentially expressed genes during development of grey blight disease in tea (Camellia sinensis L.) using subtractive hybridization approach 174 ESTs, Release date: 1.4.2011; dbEST_Id: from 69166212 to 69166385 and GenBank_Accn GW787565 to GW787738
  • Identification of genes expressed during grey blight disease development in tea (Camellia sinensis L.) 202 ESTs, release date: 10.04.2011; dbEST_Id: from 73049569 to 73049770 and GenBank_Accn JG017537 to JG017738
  • dentification of genes expressed during grey blight disease development in  tea (Camellia sinensis L.); Partial CDS submitted : 4., Release date : 4.9.2011
Name GenBank_Accn
50s Ribosomal protein JF288556
Thiazole biosynthetic protein JF288557
Phosphoglycerate Kinase JF288558
Leucine rich receptor protein kinase JF344710
  • Identification of genes expressed during Exobasidium vexans development in tea (Camellia sinensis L.); ESTs submitted: 166., release date : 3.2.2013; dbEST_Id from Forward SSH library 73500472 to 73500545 (GenBank_Accn: JG463673 to JG463746) and Reverse SSH library 73326384 to 73326475 (GenBank_Accn: JG294142 to JG294233 )
  • Molecular cloning and characterization of the gene encoding a chitinase (full-length gene) from Camellia sinensis (release date : Aug 25, 2012); BankIt: 468953; GenBank Accn: JN392472
  • Camellia sinensis Metallothionine like protein complete CDS; GenBank Accn: JN315623
  • A total of 706 ESTs,180 partial and complete CDSs, and a full length cDNA encoding NDPK (Acc no : GU332636) obtained from the cDNA library specific to dormant bud of UPASI 10  were submitted
  • From the SSH library specific to banji formation in UPASI 3, a total of 62 ESTs were submitted
  • 16 EST sequences obtained from the cDNA library specific to blister blight infection in SMP-1 were submitted (Acc no : FD800891-FD800906)

News & Events



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  • Publications

    Radhakrishnan,B., K. K. Srikumar, Smitha, K. B. Suresh. 2018. Evaluation of Sulfoxaflor 50%WG against Tea mosquito bug, Helopeltistheivora Waterhouse (Hemiptera: Miridae). Pestology. 42 (3), 31-36. Radhakrishnan, B. 2018. Recent issues on pesticide residues and other contaminants in Tea. Planters chronicle. 114(1): 4-11. Radhakrishnan B. and…

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  • Latest


    The principal landmark in the history of tea research in south India, was the establishment of a Tea Experimental Station in Gudalur in 1926. During the last seven and half decades, this research organisation. Now known as the UPASI Tea Research Foundation (UPASI TRF), had…

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  • Publications and Library


    Annual Report is the one among the major publications of UPASI TRF. Annual report of each year is released by September of the following year. Other publications include Research Highlights and half yearly Newsletters. The Bulletin of UPASI TRF is an occasional publication. The Handbook…

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Conferences Seminars

  • National Symposium Announcement

    DATE:  22nd Jannuary, 2021


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    DATE:  10-12 December 2014

    PLACE:  Kozhikode

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  • Research Extension Meeting

    DATE:  06-08 May 2013

    PLACE:  Valparai

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    DATE:   2013


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  • Dr.C.S. Venkata Ram Annual Tea Colloquium

    DATE:  1 August 2013


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    DATE:  28/04/2012


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    DATE:  2001

    PLACE:  Chennai

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    DATE:  2014


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Research Activities

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  • Pesticide Residue

    Of late, considering the constant usage of pesticides and to monitor the residues in the final produce, a well equipped test facility was established at UPASI TRI in 1994. The pesticide residue laboratory is accredited by National Accreditation Board for testing and calibration Laboratories (NABL)…

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  • Botany

    The Tea Research Institute at Valparai has seven divisions namely Botany, Soil Chemistry, Entomology, Pesticide Residue, Plant Pathology & Microbiology, Plant Physiology & Biotechnology and Tea Technology. Botany Research activities of Botany Division include plant improvement, cultivation practices and weed research. Plant improvement programme was…

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  • Soil Chemistry

    Chemistry Division is involved in research pertaining to soil-plant nutrients of tea besides extending analytical service to the industry. The research activities include investigations on physico-chemical properties of soil, soil-plant interactions, response of tea to major, secondary and micronutrients and their interactions. The research work…

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  • Entomology

    Entomology Division involve in basic and applied aspects of insect pests, particularly, biology, ecology and evolving control measures. The division evolved and recommended physical, chemical and biological method of tea pests control. In the past, extensive studies on bioecology, crop loss due to major pests…

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  • Pathology & Microbiology

    In the division of Plant Pathology & Microbiology, research is carried out on diseases of tea and biofertilizers. Among the tea diseases, blister blight is the most important leaf disease caused by the pathogen, Exobasidium vexans affecting the tender harvestable shoots of tea resulting in…

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  • Physiology & Biotechnology

    Plant Physiology Division was established in 1980 which has been primarily concentrated on crop productivity. The division strives for excellence in applied research in tea productivity and bush health besides biotechnological studies. The research undertaken extends over a wide range of research programmes having collaborative…

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  • Tea Technology

    Besides offering the analytical services and involving in inter laboratory ring test to validate the test methods, Tea Technology Division is concerned about quality of final produce in accordance with PFA Act requirements, storage studies, value added products and manufacturing aspects. The laboratory has been…

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