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Phenylalanine ammonia-lyase (PAL) and cinnamate 4-hydroxylase (C4H) and catechins (flavan-3-ols) accumulation in tea.
Singh K, Kumar S, Rani A, Gulati A, Ahuja PS. Singh K, et al. Funct Integr Genomics. 2009 Feb;9(1):125-34. doi: 10.1007/s10142-008-0092-9. Epub 2008 Aug 5. Funct Integr Genomics. 2009. PMID: 18679731
A positive correlation between catechin contents and gene expression suggested a critical role of the enzymes in catechins biosynthesis and a crosstalk between phenylpropanoid and flavonoid pathways....
A positive correlation between catechin contents and gene expression suggested a critical role of the enzymes in catechins bio
Screening and purification of catechins from underutilized tea plant parts and their bioactivity studies.
Rana A, Sharma E, Rawat K, Sharma R, Verma S, Padwad Y, Gulati A. Rana A, et al. J Food Sci Technol. 2016 Nov;53(11):4023-4032. doi: 10.1007/s13197-016-2406-6. Epub 2016 Nov 26. J Food Sci Technol. 2016. PMID: 28035158 Free PMC article.
Osmotin-expressing transgenic tea plants have improved stress tolerance and are of higher quality.
Bhattacharya A, Saini U, Joshi R, Kaur D, Pal AK, Kumar N, Gulati A, Mohanpuria P, Yadav SK, Kumar S, Ahuja PS. Bhattacharya A, et al. Transgenic Res. 2014 Apr;23(2):211-23. doi: 10.1007/s11248-013-9740-5. Epub 2013 Aug 27. Transgenic Res. 2014. PMID: 23982743
Drought is a major stress that affects the yield and quality of tea, a widely consumed beverage crop grown in more than 20 countries of the world. ...
Drought is a major stress that affects the yield and quality of tea, a widely consumed beverage crop grown in more than 20 cou …
Catechin and catechin fractions as biochemical markers to study the diversity of Indian tea (Camellia sinensis (L.) O. Kuntze) germplasm.
Gulati A, Rajkumar S, Karthigeyan S, Sud RK, Vijayan D, Thomas J, Rajkumar R, Das SC, Tamuly P, Hazarika M, Ahuja PS. Gulati A, et al. Chem Biodivers. 2009 Jul;6(7):1042-52. doi: 10.1002/cbdv.200800122. Chem Biodivers. 2009. PMID: 19623550
Morphologically indistinct large-leaved 'Cambod' variety and 'Assam' varieties could not be differentiated using biochemical markers, since both varietal types taxonomically belong to a single species. ...This biochemical characterization will be a useful tool in th …
Morphologically indistinct large-leaved 'Cambod' variety and 'Assam' varieties could not be differentiated using biochemical markers, since …
Caffeine biosynthesis and degradation in tea [Camellia sinensis (L.) O. Kuntze] is under developmental and seasonal regulation.
Mohanpuria P, Kumar V, Joshi R, Gulati A, Ahuja PS, Yadav SK. Mohanpuria P, et al. Mol Biotechnol. 2009 Oct;43(2):104-11. doi: 10.1007/s12033-009-9188-2. Epub 2009 May 29. Mol Biotechnol. 2009. PMID: 19479388
Differential display mediated cloning of anthocyanidin reductase gene from tea (Camellia sinensis) and its relationship with the concentration of epicatechins.
Singh K, Rani A, Paul A, Dutt S, Joshi R, Gulati A, Ahuja PS, Kumar S. Singh K, et al. Tree Physiol. 2009 Jun;29(6):837-46. doi: 10.1093/treephys/tpp022. Epub 2009 Apr 20. Tree Physiol. 2009. PMID: 19380395
Analysis of 133 bands yielded a partial cDNA of CsANR that was later cloned to the full length by rapid amplification of the cDNA ends. ...AY641729) comprised 1233 bp with an ORF of 1014 bp (from 79 to 1092 bp) encoding a polypeptide of 337 amino acids. Expression o …
Analysis of 133 bands yielded a partial cDNA of CsANR that was later cloned to the full length by rapid amplification of the cDNA end …
High level of genetic diversity among the selected accessions of tea (Camellia sinensis) from abandoned tea gardens in western Himalaya.
Karthigeyan S, Rajkumar S, Sharma RK, Gulati A, Sud RK, Ahuja PS. Karthigeyan S, et al. Biochem Genet. 2008 Dec;46(11-12):810-9. doi: 10.1007/s10528-008-9195-1. Epub 2008 Sep 11. Biochem Genet. 2008. PMID: 18784998
Compared with other China cultivar germplasm, these accessions showed a higher level of diversity among themselves. Among the quantitative morphological characters, leaf length is important in distinguishing the accessions studied, with a high loading value in the p …
Compared with other China cultivar germplasm, these accessions showed a higher level of diversity among themselves. Among the quantit …
Application of microwave energy in the manufacture of enhanced-quality green tea.
Gulati A, Rawat R, Singh B, Ravindranath SD. Gulati A, et al. J Agric Food Chem. 2003 Jul 30;51(16):4764-8. doi: 10.1021/jf026227q. J Agric Food Chem. 2003. PMID: 14705910
Parched and sun-dried teas contained the lowest levels of total phenols and catechins, and their infusions were dull in color with a slightly burnt odor. Microwave-inactivated and-dried teas showed the highest levels of total phenols and catechins, and their infusions were …
Parched and sun-dried teas contained the lowest levels of total phenols and catechins, and their infusions were dull in color with a
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