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022 _a0176-1617
040 _aMSU
_bEnglish
_cMSU
_erda
050 0 0 _aQK711.2 JOU
100 1 _aChang, Jia-Dong
_eauthor
245 1 0 _aEffects of elevated CO2 and temperature on Gynostemma pentaphyllum physiology and bioactive compounds
_ccreated by Jia-Dong Chang, Nitin Mantri, Bin Sun, Li Jiang, Ping Chen, Bo Jiang, Zhengdong Jiang, Jialei Zhang, Jiahao Shen, Hongfei Lu and Zongsuo Liang
264 1 _aAmsterdam:
_bElsevier GmbH,
_c2016.
336 _2rdacontent
_atext
_btxt
337 _2rdamedia
_aunmediated
_bn
338 _2rdacarrier
_avolume
_bnc
440 _aJournal of Plant Physiology
_vVolume 196-197
520 3 _aRecently, an important topic of research has been how climate change is seriously threatening the sustainability of agricultural production. However, there is surprisingly little experimental data regarding how elevated temperature and CO2 will affect the growth of medicinal plants and production of bioactive compounds. Here, we comprehensively analyzed the effects of elevated CO2 and temperature on the photosynthetic process, biomass, total sugars, antioxidant compounds, antioxidant capacity, and bioactive compounds of Gynostemma pentaphyllum. Two different CO2 concentrations [360 and 720 μmol mol−1] were imposed on plants grown at two different temperature regimes of 23/18 and 28/23 °C (day/night) for 60 days. Results show that elevated CO2 and temperature significantly increase the biomass, particularly in proportion to inflorescence total dry weight. The chlorophyll content in leaves increased under the elevated temperature and CO2. Further, electron transport rate (ETR), photochemical quenching (qP), actual photochemical quantum yield (Yield), instantaneous photosynthetic rate (Photo), transpiration rate (Trmmol) and stomatal conductance (Cond) also increased to different degrees under elevated CO2 and temperature. Moreover, elevated CO2 increased the level of total sugars and gypenoside A, but decreased the total antioxidant capacity and main antioxidant compounds in different organs of G. pentaphyllum. Accumulation of total phenolics and flavonoids also decreased in leaves, stems, and inflorescences under elevated CO2 and temperature. Overall, our data indicate that the predicted increase in atmospheric temperature and CO2 could improve the biomass of G. pentaphyllum, but they would reduce its health-promoting properties.
650 _aClimate change
650 _aElevated CO(2)
650 _aGynostemma pentaphyllum
700 1 _aMantri, Nitin
_eco-author
700 1 _aSun, Bin
_eco-author
700 1 _aJiang,Li
_eco-author
700 1 _aChen, Ping
_eco-author
700 1 _aJiang, Bo
_eco-author
700 1 _aJiang, Zhengdong
_eco-author
700 1 _aZhang, Jialei
_eco-author
700 1 _aShen, Jiahao
_eco-author
700 1 _aLu, Hongfei
_eco-author
700 1 _aLiang, Zongsuo
_eco-author
856 _uhttps://doi.org/10.1016/j.jplph.2016.02.020
942 _2lcc
_cJA
999 _c169411
_d169411