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| 1 | Impact of air drought on photosynthesis efficiency of the Siberian crabapple(Malus baccata L. Borkh.) in the forest-steppe zone of Transbaikalia, Russia显示文摘The adaption of photosynthesis, being a key metabolic process, plays an important role in plant resistance to air drought. In this study, the Siberian crabapple(Malus baccata L. Borkh.) in the forest-steppe zone of Transbaikalia region, Russia, was subjected to air drought stress and its photosynthesis characteristics were analyzed. The results show that air drought and sufficient soil moisture supply lead to the decrease in the total chlorophyll(Chl) content, while the ratio of Chls to carotenoids is constant in the Siberian crabapple tree. The function of photosystem II(PS-II) in the crabapple trees is characterized by a decrease in the fraction of absorbed light energy spent on the photochemical work and an increase in the proportion of non-photosynthetic thermal quenching. These changes indicate the photosynthetic down-regulation that acts as a universal photoprotective mechanism. During the midday hours, the combination of high air temperature and low air humidity leads to the decrease in the maximum photochemical quantum yield of photosystem II(Fv/Fm) and the efficiency of photosynthesis(PABS). The parameters of leaf gas exchange show the significant differences in these values between the control and experimental variants. During the morning hours, the Siberian crabapple, growing in the Irkutsk City,assimilates carbon dioxide more intensively. Due to the higher air humidity, the stomata are kept open and the necessary amount of carbon dioxide entries the sites of carboxylation. The low air humidity combined with wind in the experimental variants leads to the unreasonably high water loss in the crabapple leaves by more than 27% as compared to the control variant(Irkutsk City). However, water use efficiency in the morning hours increases during plant photosynthetic processes, i.e., 42% higher than that of control. This,apparently, is a reflection of the adaptation processes of the Siberian crabapple to the air drought and parching wind. | Alexandr RUDIKOVSKII Elena RUDIKOVSKAYA Lyubov DUDAREVA | 2019 | Journal of Arid Land2019，11，2： | 2 |
| 2 | Biosynthesis, function and metabolic engineering of plant volatile organic compounds显示文摘 | Natalia Dudareva Antje Klempien Jo?lle K. Muhlemann Ian Kaplan | 2013 | New Phytol2013，，1： | 2 |
| 3 | Metabolic engineering of plant volatiles 显示文摘 | DUDAREVA N PICHERSKY E | 2008 | Current Opinion in Biotechnology2008，19，2： | 1 |
| 4 | The nonmevalonate pathway supports both monoterpene and sesquiterpene formation in snapdragon flowers 显示文摘 | Dudareva N Andersson S Orlova I | 2005 | ProcNatl Acad Sci USA2005，102，3： | 1 |
| 5 | The use of a bi- odegradable antibiotic-loaded calcium sulphate carrier con- taining tobramycin for the treatment of chronic osteomyeli- tis: a series of 195 cases显示文摘 | Ferguson JY Dudareva M Riley ND | 2014 | J Bone Joint2014，96，6： | 1 |
| 6 | The shikirnate pathway and aromatic amino acid biosynthesis in plants 显示文摘 | Maeda H Dudareva N | 2012 | Annu Rev Plant Biol2012，63，： | 1 |
| 7 | Biochemistry of plant volatiles显示文摘 | DUDAREVA N PICHERSKY E GERSHENZON J | 2004 | Plant Physiol2004，135，4： | 1 |
| 8 | Acetyl-CoA:benzylalcoholacetyltransferase–an enzyme involved in floral scent production in Clar-kia breweri显示文摘 | DUDAREVA N D'AURIA J C NAM K H | 1998 | Plant J1998，14，3： | 1 |
| 9 | Biochemical and molecular genetic aspectsof floral scents显示文摘 | Dudareva N Pichersky E | 2000 | Plant Physiology2000，122，3： | 1 |
| 10 | The function of terpenenatural products in the natural world显示文摘 | Gershenzon J Dudareva N | 2007 | Nat Chem Biol2007，3，7： | 1 |
| 11 | Bioehemistry of Plnat Volatilesl 显示文摘 | Dudareva N Pichersky E Gershenzon J | 2004 | Plnat Physiology2004，135，： | 1 |
| 12 | Evolution of floral scent in Clarkia:novel patterns of S-linalool synthase genes expression in the C Brewed flowers显示文摘 | Dudareva N Cseke L Blanc VM | 1996 | Plant Cell1996，8，： | 1 |
| 13 | Biochemistry of plant vola-tiles显示文摘 | Dudareva N Pichersky E Gershenzon J | 2004 | Plant Physiology2004，135，4： | 1 |
| 14 | Chemical composition of essential oils from leaves of Rhododendron dauricum and R. aureum显示文摘 | D. N. Olennikov L. V. Dudareva S. N. Osipenko T. A. Penzina | 2009 | Chemistry of Natural Compounds2009，，3： | 1 |
| 15 | Biochemical and molecular genetic as- pects of floral scents 显示文摘 | Dudareva N Piehersky E | 2000 | Plant Physiology2000，122，3： | 1 |
| 16 | Developmental regula-tion of methyl benzoate biosynthesis and emission in snapdragon flowers显示文摘 | DUDAREVA N MURFITT L M MANN C J | 2000 | Plant Cell2000，12，6： | 1 |
| 17 | Biosynthesis of plant volatiles:Nature's diversity and ingenuity显示文摘 | Pichersky E Noel J P Dudareva N | | 0，，： | 1 |
| 18 | 查看详情显示文摘 | PICHERSKY E NOEL J P DUDAREVA N | | 0，，： | 1 |
| 19 | The function of terpene natural products in the natural world 显示文摘 | Gershenzon J Dudareva N 2007 | 2007 | Nature Chemical Ecology2007，3，7： | 1 |
| 20 | Formation of monoterpenes in Antirrhinum majus and Clarkia breweri flowers involves heterodimeric geranyl diphosphate synthases显示文摘 | Tholl D Kish C.M Orlova I Sherman D Gershenzon J Pichersky E and Dudareva N | | 0，，： | 1 |
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