The influence of carbon dioxide on symbiotic nitrogen fixation

Mulder, E. G.; Veen, W. L. van

doi:10.1007/bf01677507

Cited by 37 publications

(20 citation statements)

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“…Many nonphotosynthetic plant tissues including roots (14) and nodules of N2-fixing plants, such as Lupinus alba (3,18), Vicia faba (17), P. sativum (22,23), Phaseolus vulgaris (6), Vigna unguiculata (18), Alnus glutinosa (26,28), and G. max (4,5), possess an active system for assimilating CO2. Based on previous studies (1,11), PEP carboxylase appears to be the primary enzyme responsible for CO2 fixation in these tissues, although lesser activities of other carboxylating enzymes have been reported (9).…”

Section: Discussionmentioning

confidence: 99%

“…There are indications that the CO2 concentration around the roots and nodules may also affect N2 fixation and plant growth (17,23). Lowe and Evans (19) 'To whom reprint request should be addressed.…”

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confidence: 99%

“…Likewise, high concentrations of CO2 have been shown to stimulate nodule and root growth of Pisum sativum (23) and Trifolium pratense (23).…”

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Carbon Dioxide Fixation in Soybean Roots and Nodules

Coker¹,

Schubert²

1981

Plant Physiol.

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These studies demonstrate that soybean (Meff) roots and nodules possess an active system for fixing CO,. The Many investigators have suggested that one of the major effects of increased CO2 concentrations is to increase the rates of CO2 fixation in nodules (3,4,17,18,22,25) which is catalyzed primarily by PEP4 carboxylase forming the C4 acid, oxalacetate. Layzell et al. (18) proposed that the reassimilation of respired carbon in nodules of N2-fixing plants may actually increase the efficiency of these symbionts. Christeller and others (3, 18) have suggested that, in nodulated lupin, an asparagine-exporting plant, the primary function for the oxalacetate produced is to serve as the carbon skeleton for asparagine and aspartate biosynthesis.There are, however, many legumes which transport fixed nitrogen in the form of the ureides, allantoin and allantoic acid (21). Presumably, these plants would not require the same levels of synthesis of oxalacetate as plants which export asparagine. The purpose of the investigation here was to examine the extent and role of CO2 fixation in both roots and nodules of soybeans growing soleiy on symbiotically fixed N2, a condition which favors the export of ureides and not of asparagine. Measurements of CO2 Fixation and C2H2 Reduction. Plants to be used for experiments were gently uprooted and tapped to remove excess Perlite. A split one-or two-hole rubber stopper was positioned around the stem of each plant. The root system was placed into a 20-or 50-ml flask and Plasticine was molded around the stem to seal the flask. Gases were introduced or withdrawn through a serum stopper covering a sidearm of the smaller flasks or a glass tube inserted through the second hole in the rubber stopper of the larger flasks. "CO2 was liberated in a sealed vessel from [14C]NaHCO0 (Amersham, Arlington Heights, IL; 59.3 mCi/ mmol) after the addition of 100 ,ul of 1 N HCI.

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Section: Discussionmentioning

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Carbon Dioxide Fixation in Soybean Roots and Nodules

Coker¹,

Schubert²

1981

Plant Physiol.

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“…On the other hand apart from photosynthesis, carbon dioxide and light separately affect nodulation and nitrogen fixation in leguminous plants. MULDER and VAN VEEN (4) observed that nodulation and nitrogen fixation of red clover, pea and bean were promoted when the nutrient media were aerated with air containing a high concentration of carbon dioxide. PHILLIPS et a1.…”

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Effects of carbon dioxide, oxygen, and light on nitrogen-fixing activities in Japan clover (Kummerowia StriataS.)

Hosoda

Lee

Yatazawa

1978

Soil Science and Plant Nutrition

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“…Regarding the effects of CO 2 in the rhizosphere on nitrogen-fixing legumes, Mulder and van Veen (1960) reported that the presence of CO 2 in the culture solution was essential for optimal nodulation and N 2 fixation, and consequently for growth in red clover, pea, and bean plants. Also Bergmann (1958) and Dale (1951) indicated that root-hair development depended on the presence of a relatively high concentration of CO 2 in the nutlient solution.…”

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Effects of CO₂concentration in rhizosphere on nodulation and N₂fixation of soybean and cowpea

Yamakawa

Ikeda

Ishizuka

2004

Soil Science and Plant Nutrition

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The influence of carbon dioxide on symbiotic nitrogen fixation

Cited by 37 publications

References 13 publications

Carbon Dioxide Fixation in Soybean Roots and Nodules

Carbon Dioxide Fixation in Soybean Roots and Nodules

Effects of carbon dioxide, oxygen, and light on nitrogen-fixing activities in Japan clover (Kummerowia StriataS.)

Effects of CO₂concentration in rhizosphere on nodulation and N₂fixation of soybean and cowpea

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The influence of carbon dioxide on symbiotic nitrogen fixation

Cited by 37 publications

References 13 publications

Carbon Dioxide Fixation in Soybean Roots and Nodules

Carbon Dioxide Fixation in Soybean Roots and Nodules

Effects of carbon dioxide, oxygen, and light on nitrogen-fixing activities in Japan clover (Kummerowia StriataS.)

Effects of CO2concentration in rhizosphere on nodulation and N2fixation of soybean and cowpea

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Effects of CO₂concentration in rhizosphere on nodulation and N₂fixation of soybean and cowpea