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Carboxylation efficiency in fully expanded leaves of strawberry (Fragaria × ananassa cv. Maehyang) was estimated based on net CO₂assimilation rate (An) as a function of chloroplastic CO₂concentration (C_c_). To estimate the mesophyll conductance (g_m_) and then construct An-Cc curves, An and electron transport rate as a function of intercellular CO₂concentration (C_i_)were simultaneously determined at a range of 50 to 2,200 μmol CO₂/mol air at a saturating photosynthetic photon flux (PPF),1,200 μmol・m^-2^・s^-1^. Mitochondrial respiration rate (Rd) and CO₂compensation point in the absence of Rd required for calculating gm were found to be 0.15 μmol・m^-2^・s^-1^and 44.1 μmol CO₂/mol air, respectively, as determined from An-Ci curves below 200 μmol CO₂/mol air at three different PPFs. Both stomatal conductance (g_s_) and gm decreased with increasing Ci. However, the gm responded more sensitively to various Ci than the gs. The gm was significantly lower than the gs at Ci beyond 600 μmol・mol^-1^ air examined. Maximum carboxylation efficiency (αcmax) derived from An-Cc curves was 0.28 μmol・m^-2^・s^-1^ and 2.2times higher than that from A_n_-C_i_ curve. Since the A_n_-C_i_ curve was based on infinite g_m_, the αcmax derived from the A_n_-C_i_ curve might be underestimated. Actually, g_m_ was rather dynamic with changing C_i_ and thus a crucial component of the diffusional limitation of An. For estimating photosynthetic characteristics in strawberry leaves more accurately, A_n_-C_c_ curve should be constructed in consideration of gm, especially for closed plant production systems.

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기사명 저자명 페이지 원문 목차
Estimation of carboxylation efficiency from net CO₂ assimilation rate as a function of chloroplastic CO₂ concentration in strawberry(Fragaria × ananassa cv. Maehyang) leaves Hyungmin Rho, Duk Jun Yu, Su Jin Kim, Changhoo Chun, Hee Jae Lee pp.547-552

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참고문헌 (33건) : 자료제공( 네이버학술정보 )

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번호 참고문헌 국회도서관 소장유무
1 Temperature Response of Mesophyll Conductance. Implications for the Determination of Rubisco Enzyme Kinetics and for Limitations to Photosynthesis In vivo 네이버 미소장
2 Comparative studies on photosynthesis in higher plants. 네이버 미소장
3 Effect of temperature on the CO2/O2 specificity of ribulose-1,5-bisphosphate carboxylase/oxygenase and the rate of respiration in the light 네이버 미소장
4 An analytical model of non‐photorespiratory CO2 release in the light and dark in leaves of C3 species based on stoichiometric flux balance 네이버 미소장
5 The use of low {CO~2} to estimate diffusional and non-diffusional limitations of photosynthetic capacity of salt-stressed olive saplings 네이버 미소장
6 Düring, H. 2003. Stomatal and mesophyll conductance to CO2 transfer to chloroplasts in leaves of grapevine (Vitis vinifera L.). Vitis 42:65- 68. 미소장
7 Limitation of net CO~2 assimilation rate by internal resistances to CO~2 transfer in the leaves of two tree species (Fagus sylvatica L. and Castanea sativa Mill.) 네이버 미소장
8 Resistances along the CO2 diffusion pathway inside leaves 네이버 미소장
9 A Biochemical Model of Photosynthetic CO2Assimilation in Leaves of C3Species 네이버 미소장
10 Analysis of leakage in IRGA's leaf chambers of open gas exchange systems: quantification and its effects in photosynthesis parameterization 네이버 미소장
11 Rapid variations of mesophyll conductance in response to changes in CO2 concentration around leaves 네이버 미소장
12 Photosynthesis limitations during water stress acclimation and recovery in the drought-adapted Vitis hybrid Richter-110 (V. berlandieri×V. rupestris) 네이버 미소장
13 Mesophyll conductance to CO2: current knowledge and future prospects 네이버 미소장
14 Genty, B., J.M. Briantais, and N.R. Baker. 1989. The relationship between the quantum yield of photosynthetic electron transport and quenching of chlorophyll fluorescence. Biochim. Biophys. Acta 990:87-92. 미소장
15 Theoretical Considerations When Estimating the Mesophyll Conductance to CO₂ Flux by Analysis of the Response of Photosynthesis to CO₂ 네이버 미소장
16 Iqbal, R.M., A.R. Rao, E. Rasul, and A. Wahid. 1996. Mathematical models and response functions in photosynthesis: An exponential model, p. 803-810. In: M. Pessarakli (ed.). Handbook of photosynthesis. Marcel Dekker Inc., New York, NY, USA. 미소장
17 Laisk, A.K. 1977. Kinetics of photosynthesis and photorespiration in C3 plants. Nauka, Moscow, Russia. 미소장
18 Li-Cor. 2008. Using the LI-6400/LI-6400XT portable photosynthesis system. Ver. 6. Li-Cor Biosciences Inc., Lincoln, NE, USA. 미소장
19 Gas exchange measurements, what can they tell us about the underlying limitations to photosynthesis? Procedures and sources of error 네이버 미소장
20 Mott, K.A. 2009. Stomatal responses to light and CO2 depend on the mesophyll. Plant Cell Environ. 32:1479-1486. 미소장
21 The role of the mesophyll in stomatal responses to light and CO2 네이버 미소장
22 Role of mesophyll diffusion conductance in constraining potential photosynthetic productivity in the field 네이버 미소장
23 Internal Leaf Area and Cellular CO2 Resistance: Photosynthetic Implications of Variations with Growth Conditions and Plant Species 네이버 미소장
24 Photosynthetic light-response curves: 2. Gradients of light absorption and photosynthetic capacity 네이버 미소장
25 Pärnik, T., H. Ivanova, and O. Keerberg. 2007. Photorespiratory and respiratory decarboxylations in leaves of C3 plants under different CO2 concentrations and irradiances. Plant Cell Environ. 30:1535- 1544. 미소장
26 Methodology – The First Four Years 네이버 미소장
27 Separation and Measurement of Direct and Indirect Effects of Light on Stomata 네이버 미소장
28 von Caemmerer, S. and J.R. Evans. 1991. Determination of the average partial pressure of CO2 in chloroplasts from leaves of several C3 plants. Austral. J. Plant Physiol. 18:287-305. 미소장
29 Mesophyll conductance to CO2 transport estimated by two independent methods: effect of variable CO2 concentration and abscisic acid 네이버 미소장
30 Stand aside stomata, another actor deserves centre stage: the forgotten role of the internal conductance to CO2transfer 네이버 미소장
31 Temperature response of photosynthesis and internal conductance to CO2: results from two independent approaches 네이버 미소장
32 Yamazaki, K. 1978. Hydroponics. Hakuysa, Tokyo, Japan. 미소장
33 Yang, H.-M., J.-H. Zhang, and X.-Y. Zhang. 2005. Regulation mechanismof stomatal oscillation. J. Integr. Plant Biol. 47:1159-1172. 미소장