Camellia ptilophylla, a low-caffeine or decaffeinated tea, is increasingly being recognized for its potential health benefits. However, there is intraspecific diversity in purine alkaloid and catechins components in C. ptilophylla populations. Analyzing the mechanisms behind the accumulation of these metabolites is important for improving tea quality.
published online a paper by Associate Professor Binmei Sun and Shaoqun Liu's team at South China Agricultural University titled"In this study, researchers first analyzed the accumulation of purine alkaloids in C. ptilophylla populations and showed that theobromine was the sole alkaloid in 26 individual plants, while the other six C. ptilophylla plants had higher caffeine and lower TB.
Next, RNA-seq analysis of two C. ptilophylla plants with contrasting purine alkaloid contents showed that the expression of xanthine synthesis genes TCS-2, TCS-3 and MXMTs were up-regulated, while the genes of the purine alkaloids degradation pathway were significantly down-regulated in TB-rich plant. In addition, the expression pattern of catechin biosynthesis pathway genes was altered in TB-rich plants.
These up-regulated catechin biosynthesis pathway genes were associated with phenylpropanoid and flavonoid biosynthesis, which are essential for the production of gallocatechin gallate . The co-expression networks constructed with 327identified by RNA-seq, purine alkaloids and catechin biosynthesis genes elucidated the potential regulatory mechanisms of gene expression in C. ptilophylla populations.
In conclusion, this study uncovers different accumulation mechanisms of purine alkaloids and catechins in C.ptilophylla populations. These insights will facilitate the breeding of low-caffeine or high GCG tea tree varieties to meet the different needs of consumers and lead to healthier consumption options.Chentao Ying et al, Differential accumulation mechanisms of purine alkaloids and catechins in
Singapore Latest News, Singapore Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
How a Literary Scandal Inspired a Mischievous New African NovelMohamed Mbougar Sarr’s prize-winning novel transforms the troubled legacy of a writer who stopped writing into a galvanizing tale about all that remains to be written.
Read more »
Cedric The Entertainer on personal inspiration for new novel 'Flipping Boxcars'Legendary actor and producer Cedric the Entertainer is now Cedric the Novelist. He talks to 'CBS Mornings' about his debut novel 'Flipping Boxcars' and how his grandfather inspired the tale.
Read more »
Book Review: Millie Bobby Brown of 'Stranger Things' weaves a romance novel into a WWII disasterMillie Bobby Brown, best known as the actor who plays the character Eleven on hit TV show “Stranger Things,” has written a romance novel set during London in World War II.
Read more »
Novel material enables an ultrafast electron diffraction probe for quantum materialsQuantum materials have a host of exotic electronic, magnetic, and optical properties that make them prime candidates for use in future computing and energy technologies. Their properties arise from a complex interaction of their electrons and atomic nuclei. Researchers can observe these interactions as they happen using short pulses of X-rays or electron beams. These pulses last less than a trillionth of a second.
Read more »
How The Changeling Series Approached Adapting Victor LaValle's NovelThe first three episodes of the Apple TV+ series starring LaKeith Stanfield and Clark Backo are now streaming.
Read more »
Review: Lawrence Wright takes aim at Austin politics in comic novel ‘Mr. Texas’Pulitzer-winning author Lawrence Wright, who grew up in Dallas, captures the unbridled absurdity of the state Legislature in his new novel ‘Mr. Texas.'
Read more »