Home Agriculture universities First-ever genome sequencing of Amla (Indian Gooseberry) by IISER-Bhopal scientists reveals adaptive evolution of this plant

First-ever genome sequencing of Amla (Indian Gooseberry) by IISER-Bhopal scientists reveals adaptive evolution of this plant

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Researchers from the Indian Institute of Science Education and Research, Bhopal (IISER-Bhopal), have, for the first time, unravelled the draft genome of the Indian gooseberry plant, popularly known as Amla.

The team found that Amla’s exceptional antioxidant power comes from the adaptive evolution of certain genes involved in the production of antioxidants like vitamin C and flavonoids. Amla’s abundant vitamin C content and the remarkable capacity of each tree to yield up to 100 kg of fruits make it superior to other vitamin C-rich fruits such as the West Indian cherry from Mexico and the camu camu fruit found in Brazil, Peru, Colombia, and Venezuela and makes it a perfect choice for switching from the synthetic to a natural source of Vitamin C.

Explaining the technical approach of the IISER Team, the lead researcher Dr Vineet Sharma, Associate Professor of Biological Sciences at Indian Institute of Science Education and Research (IISER) Bhopal, said: We analysed the genome and transcriptome of the amla plant using leaves from our campus. We employed advanced sequencing technologies, including 10x Genomics and Oxford Nanopore Technology (ONT) long-read sequencing, along with transcriptomic sequencing.”

Apart from obtaining the draft genome structure of the Amla for the first time, the researchers also identified genes responsible for vitamin C biosynthesis and compared them with genes in other plants that bear vitamin C-rich fruits.

(Left to Right) Manohar Singh Bisht, Abhisek Chakraborty, Dr. Vineet K Sharma, Shruti Mahajan

According to the research team, the adaptive evolution of this plant could be one of the key reasons for its easy adaptation to various climatic zones and environmental conditions. Understanding the genetic composition of Amla can help us understand their origins, evolution, and how they create the biochemicals that are of medicinal value. The team was led by Dr Vineet Sharma, Associate Professor of Biological Sciences, includes Shruti Mahajan, Manohar Singh Bisht, and Abhisek Chakraborty from the Indian Institute of Science Education and Research (IISER) Bhopal.

Amla is a well-known plant indigenous to South Asian countries and has been used in traditional Indian and Chinese medicine and home remedies for centuries. The stone-fruit of the Amla tree is believed to have high Vitamin C content, in addition to being a rich source of various phytochemicals, minerals, and amino acids. Amla has been thought to be effective in treating conditions like unhealthy levels of fat, type 2 diabetes, chronic gum diseases, symptomatic knee osteoarthritis, and more. While Amla holds significant pharmaceutical and nutritional importance, its genetic composition has hitherto not been studied in detail.

The details of this research and the findings have been published recently in the open-access journal, Frontiers in Plant Science, and may be accessed here: https://doi.org/10.3389/fpls.2023.1210078

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