Whole Leaf Carbon Exchange Characteristics of Phosphate Deficient Soybeans (<i>Glycine max</i> L.)

Lauer, Michael J.; Pallardy, Stephen G.; Blevins, Dale G.; Randall, Douglas D.

doi:10.1104/pp.91.3.848

Cited by 114 publications

(70 citation statements)

References 26 publications

(33 reference statements)

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“…Such an effect has been reported for spinach (Brooks, 1986), soybean (Lauer et al, 1989), and loblolly pine (Tissue et al, 1993 (Woodrow et al, 1983;Sicher and Kremer, 1988;. Changes in activities of these enzymes could regulate the activity of Rubisco to obtain an equilibrium of the photosynthetic carbon reduction cycle.…”

mentioning

confidence: 67%

“…In contrast, the effects of phosphorus deficiency on photosynthesis in annual plants has a more extensive coverage. It is widely recognized that a reduction in nutrient availability affects the dark reactions of photosynthesis and decreases carboxylation efficiency (Brooks, 1986;Lauer et al, 1989). In addition, it has been reported that phosphorus deficiency also decreases the quantum efficiency Lawlor, 1991, 1993;Lewis et al, 1994), but has no effect on the maximal rate of electron transport (Lewis et al, 1994).…”

mentioning

confidence: 99%

“…Such a decrease in photosynthesis rate in phosphorus-deficient plants have been related to different causes: a smaller amount and/or specific activity of Rubisco (Lauer et al, 1989), a decreased rate of RubP regeneration or a slower transport of triose P out of chloroplast (Jacob and Lawlor, 1993). In the latter cases, the response curve of photosynthesis to leaf internal partial pressure of CO 2 (c i ) showed either a plateau (Harley et al, 1992) or even a decreased rate with high c i (Lewis et al, 1994).…”

mentioning

confidence: 99%

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Effects of phosphate deficiency on photosynthesis and accumulation of starch and soluble sugars in 1-year-old seedlings of maritime pine (Pinus pinaster Ait)

Brahim

Loustau

Gaudillere³

et al. 1996

Ann. For. Sci.

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Summary -Maritime pine seedlings were grown in 4 L pots filled with coarse sand in a greenhouse. Seedlings were supplied with a nutrient solution with three different concentrations of phosphorus (0, 0.125 and 0.5 mM). After 1 year of growth, gas exchange measurements were performed on mature needles. From these measurements, the main parameters of CO 2 assimilation (the carboxylation efficiency, the apparent quantum efficiency and the maximal rate of electron transport) were estimated using the biochemical model of photosynthesis as described by Farquhar et al (1980)

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mentioning

confidence: 67%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Effects of phosphate deficiency on photosynthesis and accumulation of starch and soluble sugars in 1-year-old seedlings of maritime pine (Pinus pinaster Ait)

Brahim

Loustau

Gaudillere³

et al. 1996

Ann. For. Sci.

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“…Reductions in photosynthetic efficiency under P stress have been reported in various crops such as barley and spinach (Foyer and Spencer, 1986), soybean (Lauer et al, 1989), maize (Usuda, 1995), wheat (Rodríguez et al, 1998), pigeon pea (Fujita et al, 2004) and rice (Wissuwa et al, 2005).…”

Section: P Limitation Effects On Plantsmentioning

confidence: 99%

Physiological and molecular alterations in plants exposed to high [CO2] under phosphorus stress

Pandey

Zinta

AbdElgawad

et al. 2015

Biotechnology Advances

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Physiological and molecular alterations in plants exposed to high [CO 2 ] under phosphorus stress, Biotechnology Advances (2015Advances ( ), doi: 10.1016Advances ( /j.biotechadv.2015 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. This is the author's version of a work that was accepted for publication in Biotechnology Advances (Ed. Elsevier). Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Pandey, Renu et al. Fax: +91-11-25846420] has increased substantially in recent decades and will continue to do so, whereas the availability of phosphorus (P) is limited and unlikely to increase in the future. P is a non-renewable resource, and it is essential to every form of life. P is a key plant nutrient controlling the responsiveness of photosynthesis to [CO 2 ]. Increases in [CO 2 ] typically results in increased biomass through stimulation of net photosynthesis, and hence enhance the demand for P uptake. However, most soils contain low concentrations of available P.Therefore, low P is one of the major growth-limiting factors for plants in many agricultural and natural ecosystems. The adaptive responses of plants to [CO 2 ] and P availability encompass alterations at morphological, physiological, biochemical and molecular levels. In general low P reduces growth, whereas high [CO 2 ] enhances it particularly in C 3 plants. Photosynthetic capacity is often enhanced under high [CO

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“…In healthy mature leaves, total protein concentrations were highest at 40 mmol Pi plant 21 d 21 . Such large increases in leaf protein concentration with increasing Pi supply have not been reported in other plants, where changes in protein concentrations are relatively small (Lauer et al, 1989;Rao and Terry, 1989). It was also noteworthy that in H. prostrata, increased Pi supply did not lead to an increase in leaf fresh weight (Fig.…”

Section: Leaf Pi Accumulation and Inhibition Of Its Conversion Into Omentioning

confidence: 60%

Lipid Biosynthesis and Protein Concentration Respond Uniquely to Phosphate Supply during Leaf Development in Highly Phosphorus-Efficient Hakea prostrata

et al. 2014

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ORCID IDs: 0000-0002-6113-9570 (R.S.); 0000-0002-4118-2272 (H.L.); 0000-0002-3819-6358 (R.J.).Hakea prostrata (Proteaceae) is adapted to severely phosphorus-impoverished soils and extensively replaces phospholipids during leaf development. We investigated how polar lipid profiles change during leaf development and in response to external phosphate supply. Leaf size was unaffected by a moderate increase in phosphate supply. However, leaf protein concentration increased by more than 2-fold in young and mature leaves, indicating that phosphate stimulates protein synthesis. Orthologs of known lipid-remodeling genes in Arabidopsis (Arabidopsis thaliana) were identified in the H. prostrata transcriptome. Their transcript profiles in young and mature leaves were analyzed in response to phosphate supply alongside changes in polar lipid fractions. In young leaves of phosphate-limited plants, phosphatidylcholine/phosphatidylethanolamine and associated transcript levels were higher, while phosphatidylglycerol and sulfolipid levels were lower than in mature leaves, consistent with low photosynthetic rates and delayed chloroplast development. Phosphate reduced galactolipid and increased phospholipid concentrations in mature leaves, with concomitant changes in the expression of only four H. prostrata genes, GLYCEROPHOSPHODIESTER PHOSPHODIESTERASE1, N-METHYLTRANSFERASE2, NONSPECIFIC PHOSPHOLIPASE C4, and MONOGALACTOSYLDIACYLGLYCEROL3. Remarkably, phosphatidylglycerol levels decreased with increasing phosphate supply and were associated with lower photosynthetic rates. Levels of polar lipids with highly unsaturated 32:x (x = number of double bonds in hydrocarbon chain) and 34:x acyl chains increased. We conclude that a regulatory network with a small number of central hubs underpins extensive phospholipid replacement during leaf development in H. prostrata. This hardwired regulatory framework allows increased photosynthetic phosphorus use efficiency and growth in a low-phosphate environment. This may have rendered H. prostrata lipid metabolism unable to adjust to higher internal phosphate concentrations.

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Whole Leaf Carbon Exchange Characteristics of Phosphate Deficient Soybeans (Glycine max L.)

Abstract: Walker and Sivak (29) reviewed a set of plant attributes that respond to low Pi nutrition, which they term "the syndrome of Pi deficiency." The responses to low Pi include increased oscillatory behavior in A3 at lower light levels,

Cited by 114 publications

References 26 publications

Effects of phosphate deficiency on photosynthesis and accumulation of starch and soluble sugars in 1-year-old seedlings of maritime pine (Pinus pinaster Ait)

Effects of phosphate deficiency on photosynthesis and accumulation of starch and soluble sugars in 1-year-old seedlings of maritime pine (Pinus pinaster Ait)

Physiological and molecular alterations in plants exposed to high [CO2] under phosphorus stress

Lipid Biosynthesis and Protein Concentration Respond Uniquely to Phosphate Supply during Leaf Development in Highly Phosphorus-Efficient Hakea prostrata

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