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Tytuł pozycji:

Transcriptome analysis reveals the accelerated expression of genes related to photosynthesis and chlorophyll biosynthesis contribution to shade-tolerant in Phoebe bournei.

Tytuł:
Transcriptome analysis reveals the accelerated expression of genes related to photosynthesis and chlorophyll biosynthesis contribution to shade-tolerant in Phoebe bournei.
Autorzy:
An J; College of Forestry, Guizhou University, Guiyang, 550025, China.; Geography & Environmental Science College, Guizhou Normal University, Guiyang, 550025, China.
Wei X; College of Forestry, Guizhou University, Guiyang, 550025, China. .; Institute for Forest Resources and Environment of Guizhou, Guizhou University, Guiyang, 550025, China. .
Huo H; College of Forestry, Guizhou University, Guiyang, 550025, China.
Źródło:
BMC plant biology [BMC Plant Biol] 2022 Jun 01; Vol. 22 (1), pp. 268. Date of Electronic Publication: 2022 Jun 01.
Typ publikacji:
Journal Article
Język:
English
Imprint Name(s):
Original Publication: London : BioMed Central, [2001-
MeSH Terms:
Lauraceae*/genetics
Photosynthesis*/genetics
Chlorophyll/metabolism ; Gene Expression Profiling ; Seedlings/genetics ; Seedlings/metabolism
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Grant Information:
31870613 National Natural Science Foundation of China; (2016) 5661 Guizhou Province High-level Innovative Talents Training Plan Project(2016) 5661
Contributed Indexing:
Keywords: Chlorophyll; Phoebe bournei; Photosynthesis; Transcriptome
Substance Nomenclature:
1406-65-1 (Chlorophyll)
Entry Date(s):
Date Created: 20220601 Date Completed: 20220603 Latest Revision: 20220716
Update Code:
20240105
PubMed Central ID:
PMC9158164
DOI:
10.1186/s12870-022-03657-y
PMID:
35650536
Czasopismo naukowe
Background: Phoebe bournei (P. bournei) is an important and endemic wood species in China. However, the plantation, nursing, and preservation of P. bournei are often affected by light. To investigate its physiological changes and molecular mechanism of low light tolerance, two-year-old P. bournei seedlings were subjected to different shading conditions. With the increase of light intensity in the shade, the leaf color of P. bournei seedlings became darkened, the aboveground/underground biomass significantly increased, the content of chlorophyll increased and the net photosynthetic rate significantly increased.
Results: de novo transcriptome analysis showed that 724 and 3,248 genes were differentially expressed due to low light intensity at T1 (35% light exposure) and T2 (10% light exposure), respectively, when compared to the controls. Furthermore, the differentially expressed genes (DEGs) were implicated in photosynthesis, nitrogen metabolism, plant hormone signal transduction, biosynthesis of secondary metabolites, and protein processing in the endoplasmic reticulum by functional enrichment analysis. Moreover, the expression of HSP, CAB, HEMA1, GSA, DVR, MYB, bHLH, PORA, CAO, GLK, and photosystem I and II complex-related genes significantly increased after low light exposure at T2 and T1.
Conclusions: The present study suggests that the rapid growth of P. bournei seedlings under shading conditions may be the result of the accelerated expression of genes related to photosynthesis and chlorophyll biosynthesis, which enable plants to maintain a high photosynthesis rate even under low light conditions.
(© 2022. The Author(s).)
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