Summary
CO2 exchange characteristics and the activity of the carboxylating enzymes phosphoenolpyruvate carboxylase (PEP-C, E.C. 4.1.1.31) and ribulose 1,5-bisphosphate carboxylase (RuBP-C, E.C. 4.1.1.39) during one year in the greenhouse and at two levels of light and temperature in growth chambers were determined in the C3-C4 intermediate species P. milioides Nees ex. Trin. These results were compared with those of P. bisulcatum Thumb. (C3) and P. maximum Jacq. (C4). Under all tested conditions, and even when the influence of leaf surface temperature on photosynthetic rates and CO2 compensation points were measured, the biochemical and physiological behaviour of the C3-C4 intermediate was more similar to that of the C3 plant than the C4 species. The C4 plant P. maximum, however, responded positively, mainly in terms of PEP-C activity and photosynthetic rate, to the regime of high light and temperature. The results presented indicate that in the C3-C4 Panicum grown in high light and temperature no direct relationships between a low CO2 compesation point and superior growth are evident. It has still to be clarified why in nature a photosynthetic-photorespiratory pathway leading to an intermediate CO2 compensation value has evolved in P. milioides.
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References
Amagaza T (1984) Enzymatic properties of phosphoenolpyruvate carboxylase isoforms in the CAM plant Kalanchoe daigremontiana. Plant Cell Physiol 25:625–633
Berry J, Björkman O (1980) Photosynthetic response and adaptation to temperature in higher plants. Ann Rev Plant Physiol 31:491–543
Brown RH, Brown WV (1975) Photosythetic characteristics of P. milioides, a species with reduced photorespiration. Crop Sci 15:681–685
Brown RH, Gracen VE (1972) Distribution of the post-illumination CO2 burst among grasses. Crop Sci 12:30–33
Brown RH, Morgan JA (1980) Photosynthesis of grass species differing in carbon-dioxide fixation pathways. 6. Differ ential effects of temperature and light-intensity on photorespiration in C3, C4 and intermediate species. Plant Physiol 66:541–544
Bykov OD, Koshkin VA, Catsky J (1981) Carbon dioxide compensation concentration of C3 and C4 plants-dependence on temperature. Photosynthetica 15:114–121
Cock JH, Riano NM, El-Sharkawy MA, Lopez Y, Bastidas G (1987) C3-C4 intermediate photosynthetic characteristics of Cassava (Manihot esculenta Crantz.). 2. Initial products of 14CO2 fixation. Photosynth Res 12:237–241
Downton J, Slatyer RO (1971) Variation in levels of some leaf enzymes. Planta 96:1–12
Dunn R, Thomas SM, Leys AJ, Long SP (1987) A comparison of the growth of the C4 grass Spartina anglica with the C3 grass Lolium perenne at different temperatures. J Exp Bot 38:433–441
Edwards GE, Ku MSB, Hatch MD (1982) Photosynthesis in P. milioides, a species with reduced photorespiration. Plant Cell Physiol 23:1183–1195
Edwards GE, Walker D (1983) C3, C4: mechanisms, and cellular and environmental regulation, of photosynthesis. Univ of California Press, Berkeley, p 542
Egle K, Schenk W (1953) Der Einfluß der Temperatur auf die Lage des CO2 Kompensationspunktes. Planta 43:83–97
El-Sharkawy MA, Cock JH (1987) C3-C4 intermediate characteristics of Cassava (Manihot esculenta Crantz.). 1. Gas exchange. Photosynth Res 12:219–235
Goldstein LD, Ray TB, Kestler DP, Mayne BC, Brown RH, Black CC (1976) Biochemical characterization of Panicum species which are intermediate between C3 and C4-photosynthesis plants. Plant Science Lett 6:85–90
Henning JC, Brown RH (1986) Effects of irradiance and temperature on photosynthesis in C3, C4 and C3-C4 Panicum species. Photosynth Res 10:101–112
Holaday AS, Chollet R (1983) Photosynthetic/photorespiratory carbon metabolism in the C3-C4 intermediate species, Moricandia arvensis and Panicum milioides. Plant Physiol 73:740–745
Holaday AS, Chollet R (1984) Photosynthetic/photorespiration characteristics of C3-C4 intermediate species. Photosynth Res 5:307–323
Jordan DB, Ogren WL (1984) The CO2/O2 specifity of ribulose-1,5-bisphosphate carboxylase/oxygenase. Planta 161:308–313
Kech RW, Ogren WL (1976) Differential oxygen response of photosynthetis in soybean and Panicum milioides. Plant Physiol 58:552–555
Ku MSB, Monson RK, Littlejohn Jr RO, Nakamoto H, Fisher DB, Edwards GE (1983) Photosynthetic characteristics of C3-C4 intermediate Flaveria species. I. Leaf anatomy, photosynthetic responses to O2 and CO2, and activities of key enzymes in the C3 and C4 pathways. Plant Physiol 71:944–948
Laing WA, Ogren WL, Hageman RH (1974) Regulation of soybean net photosynthetic CO2 fixation by the interaction of CO2, O2 and ribulose-1,5-bisphosphate carboxylase. Plant Physiol 54:678–685
Mayfield SP, Taylor WC (1984) The appearance of photosynthetic proteins in developing maize leaves. Planta 161:481–486
Monson RK, Edwards GE, Ku MSB (1984) C3-C4 intermediate photosynthesis in plants. Bioscience 34:563–574
Monson RK, Moore BD, Ku MSB, Edwards GE (1986) Co-function of C3- and C4-photosynthetic pathways in C3, C4 and C3-C4 Flaveria species. Planta 168:493–502
Moore BD, Franceschi VR, Cheng SH, Wu J, Ku MSB (1987) Photosynthetic characteristics of the C3-C4 intermediate Parthenium hysterophorus. Plant Physiol 85:978–983
Pearcy RW, Ehleringer J (1984) Comparative ecophysiology of C3 and C4 plants. Plant Cell Environm 7:1–13
Pearcy RW, Tumosa N, Williams K (1981) Relationship between growth, photosynthesis and competetive interactions for a C3 and C4 plant. Oecologia 48:371–376
Quebedeaux B, Chollet R (1977) Comparative growth analyses of Panicum species with differing rates of photorespiration. Plant Physiol 59:42–44
Rawthorne S, Hylton CM, Smith AM, Woolhouse HM (1988) Photorespiratory metabolism and immunogold localization of photorespiratory enzymes in leaves of C3 and C3-C4 intermediate species of Moricandia. Planta 173:298–308
Schnyder H, Mächler F, Nösberger J (1986) Regeneration of ribulose-1,5-bisphosphate and ribulose-1,5-bisphosphate carboxylase/oxygenase activity associated with lack of oxygen inhibition of photosynthesis at low temperature. J Exp Bot 37:1170–1179
Smith AM, Woolhouse HW, Jones DA (1982) Photosynthetic carbon metabolism of the cool-temperate C4 grass Spartina anglica Hubb. Planta 156:441–448
Smith EW, Tolbert NE, Ku HS (1976) Variables affecting the CO2 compensation point. Plant Physiol 58:143–146
Soldatini GF, Antonielli M, Venanzi G, Lupattelli M (1982) A comparison of the metabolism of the ear and accompanying tissues in Zea mays L. I. 14CO2 assimilation and photorespiration. Z Pflanzenphysiol 108:1–8
Weber JA, Tenhunen JD, Lange OL (1985) Effects of temperature at constant air dew point on leaf carboxylation efficiency and CO2 compensation point of different leaf types. Planta 166:81–88
Wintermans JFGM, DeMots A (1965) Spectrophotometric characteristics of chlorophyll and their pheophytins in ethanol. Biochim Biophys Acta 109:448–453
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Fladung, M., Hesselbach, J. Effect of varying environments on photosynthetic parameters of C3, C3-C4 and C4 species of Panicum . Oecologia 79, 168–173 (1989). https://doi.org/10.1007/BF00388473
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DOI: https://doi.org/10.1007/BF00388473