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9 results on '"Lalthafamkimi, Lucy"'

5. Contributors

Author

Amoo, Stephen O., primary, Araya, Hintsa T., additional, Araya, Nadia A., additional, Aremu, Adeyemi O., additional, Arencibia, Ariel D., additional, Arthur, Georgina D., additional, Bairu, Michael W., additional, Bhattacharyya, Paromik, additional, Carmo, Luane Portela, additional, Chahal, Swati, additional, Chaturvedi, Preeti, additional, Chitara, Manoj Kumar, additional, Coopoosamy, Roger M., additional, Critchley, Alan T., additional, Critchley, Jonathan S.C., additional, Doležal, Karel, additional, du Plooy, Christian P., additional, Fajinmi, Olufunke Omowumi, additional, Finnie, Jeffery F., additional, Gebashe, Fikisiwe, additional, Gupta, Shubhpriya, additional, Hurtado, Anicia Q., additional, Jha, Priyanka, additional, Kaur, Harmeet, additional, Kulkarni, Manoj G., additional, Kumar, Ajay, additional, Kumar, Kanchan, additional, Kumar, Vijay, additional, Lalthafamkimi, Lucy, additional, Lima-Brito, Alone, additional, Majahar Ali, Majid Khan, additional, Makgato, Manaka J., additional, Makhaye, Gugulethu, additional, Maphothoma, Phomolo, additional, Masemola, Makhutse C., additional, Michalak, Izabela, additional, Mishra, Dhruv, additional, Mofokeng, Motiki M., additional, Mokgehle, Salmina N., additional, Moyo, Mack, additional, Mudau, Fhatuwani N., additional, Naidoo, Kuben K., additional, Neish, Iain C., additional, Ngoroyemoto, Nelson, additional, Norrie, Jeffrey, additional, Olarewaju, Olaoluwa Omoniyi, additional, Omoarelojie, Luke O., additional, Pal, Gaurav, additional, Pandey, Devendra Kumar, additional, Papenfus, Heino B., additional, Pereira, Leonel, additional, Shukla, Pushp Sheel, additional, Stirk, Wendy A., additional, Tesfay, Samson, additional, Ördög, Vince, additional, Tripathi, Supriya, additional, Van Staden, Johannes, additional, Verma, Anand, additional, Verma, Satish K., additional, Wallace do Nascimento Moura, Carlos, additional, and White, James F., additional

Published
2021
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8. De novo transcriptome based insights into secondary metabolite biosynthesis in Malaxis acuminata (Jeevak)--A therapeutically important orchid.

Author

Bhattacharyya, Paromik, Sharma, Tanvi, Yadav, Abhinandan, Lalthafamkimi, Lucy, Ritu, Swarnkar, Mohit Kumar, Joshi, Robin, Shankar, Ravi, and Kumar, Sanjay

Subjects
CYTOKININS, BIOSYNTHESIS, TRANSCRIPTOMES, ORCHIDS, STARCH metabolism, METABOLITES, CELL suspensions
Abstract

Malaxis acuminata D. Don [=Crepidium acuminatum (D. Don) Szlach.] is an endangered medicinal orchid of the Ashtvarga group of plants in Ayurveda (Indian system of traditional medicine). Using a combination of aromatic cytokinin [meta-Topolin (mT)], plant biostimulant (chitosan), auxin [indole- 3-butyric acid (IBA)], and a phenolic elicitor [phloroglucinol (PG)], plants of M. acuminata were regenerated in vitro for mass multiplication. The present research reveals the first-ever transcriptome of M. acuminata. A total of 43,111 transcripts encoding 23,951 unigenes were assembled de novo from a total of 815.02 million reads obtained from leaf and pseudobulb of in vitro raised M. acuminata. Expression analysis of genes associated with β-sitosterol and eugenol biosynthesis in leaf and pseudobulb provided vital clues for differential accumulation of metabolites in M. acuminata. Ultra-performance liquid chromatography (UPLC) confirmed higher amounts of b-sitosterol and eugenol content in the leaf as compared to the pseudobulb. Differential expression of transcripts related to starch and sucrose metabolism, plant hormone signal transduction, diterpenoid biosynthesis, phenylalanine metabolism, stilbenoid, diarylheptanoid, and gingerol biosynthesis suggested the operation of differential metabolic pathways in leaf and pseudobulb. The present research provides valuable information on the biosynthesis of secondary metabolites in M. acuminata, which could be used for advanced metabolite bioprospection using cell suspension culture and bioreactor-based approaches. Data also suggested that leaf tissues rather than pseudobulb can be used as an alternate source of bioactive metabolites thereby shifting the need for harvesting the pseudobulb. This will further facilitate the conservation and sustainable utilization of this highly valued medicinal orchid. [ABSTRACT FROM AUTHOR]

Published
2022
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