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Senescence of Rice Leaves : VII. PROLINE ACCUMULATION IN SENESCING EXCISED LEAVES.

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התחבר הרשם

Proline content increased greatly in detached rice (Oryza sativa cv. Taichung Native 1) leaves during senescence. There was a slight but significant increase in proline level after one day of incubation, and, subsequently, proline accumulated relatively rapidly. By 4 days after excision, the level

Glutamate synthase from rice leaves.

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התחבר הרשם

Ferredoxin-dependent glutamate synthase (EC 1.4.7.1) from rice leaves (Oryza sativa L. cv Delta) was purified 206-fold with a final specific activity of 35.9 mumoles glutamate formed per min per milligram protein by a procedure including ammonium sulfate fractionation, DEAE-cellulose chromatography,

Peroxisomal enzyme activities in attached senescing leaves.

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התחבר הרשם

Recently it has been demonstrated that detached leaves show glyoxysomal enzyme activities when incubated in darkness for several days. In this report glyoxylate-cycle enzymes have been detected in leaves of rice (Oryza sativa L.) and wheat (Triticum durum L.) from either naturally senescing or

Evaporation kinetics of surfactant solution droplets on rice (Oryza sativa) leaves.

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התחבר הרשם

The dynamics of evaporating sessile droplets on hydrophilic or hydrophobic surfaces is widely studied, and many models for these processes have been developed based on experimental evidence. However, few research has been explored on the evaporation of sessile droplets of surfactant or pesticide

Epidermal growth factor binding proteins in rice (Oryza sativa L.) leaves.

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התחבר הרשם

A ligand blotting experiment using [125I]epidermal growth factor (EGF) showed that there are EGF binding proteins in rice leaves. EGF binding proteins have isoelectric points and relative molecular masses of 5.5/35 kDa, 7.5/50 kDa and 8.3/40 kDa, respectively. The amino acid sequences of the

Transcriptome phase distribution analysis reveals diurnal regulated biological processes and key pathways in rice flag leaves and seedling leaves.

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התחבר הרשם

Plant diurnal oscillation is a 24-hour period based variation. The correlation between diurnal genes and biological pathways was widely revealed by microarray analysis in different species. Rice (Oryza sativa) is the major food staple for about half of the world's population. The rice flag leaf is

Spectral response of rice (Oryza sativa L.) leaves to Fe(2+) stress.

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התחבר הרשם

In the management of lake eutrophication, the regulation effect of Fe is considered, in addition to the controlling nitrogen- and phosphorus input. Based on the "Fe hypothesis", this paper tentatively applied plant spectral response to the remote sensing early-warning mechanism of lake

Phosphoproteins regulated by heat stress in rice leaves.

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התחבר הרשם

BACKGROUND High temperature is a critical abiotic stress that reduces crop yield and quality. Rice (Oryza sativa L.) plants remodel their proteomes in response to high temperature stress. Moreover, phosphorylation is the most common form of protein post-translational modification (PTM). However, the

[Differential expression of proteins in Oryza sativa leaves in response to cadmium stress].

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התחבר הרשם

In order to explore the cadmium (Cd)-tolerance mechanism of rice (Oryza sativa), a hydroponic experiment with Cd-tolerant rice cultivar PI312777 and Cd-sensitive rice cultivar IR24 was conducted. The cultivars were treated with 0 (control), 50, and 100 micromol L(-1) of Cd(2+) for 7 days, and the

Partial purification and characterization of soluble acid invertases from rice (Oryza sativa) leaves.

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התחבר הרשם

There are three soluble acid invertases in the leaves of rice. They could be separated by DEAE1-Sephacel chromatography, and named IT1, IT2 and IT3. The molecular weights of IT1, IT2 and IT3, determined by HPLC gel filtration chromatography, were 220 kD, 59 kD and 67 kD, respectively. Their pI

Sucrose transporter1 functions in phloem loading in maize leaves.

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התחבר הרשם

In most plants, sucrose is exported from source leaves to carbon-importing sink tissues to sustain their growth and metabolism. Apoplastic phloem-loading species require sucrose transporters (SUTs) to transport sucrose into the phloem. In many dicot plants, genetic and biochemical evidence has

A proteomic insight into the MSP1 and flg22 induced signaling in Oryza sativa leaves.

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התחבר הרשם

Previously, we reported a novel Magnaporthe oryzae- secreted protein MSP1, which triggers cell death and pathogen-associated molecular pattern (PAMP)-triggered immune (PTI) responses in rice. To investigate the MSP1 induced defense response in rice at the protein level, we employed a label-free

Knockdown of glycine decarboxylase complex alters photorespiratory carbon isotope fractionation in Oryza sativa leaves.

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התחבר הרשם

The influence of reduced glycine decarboxylase complex (GDC) activity on leaf atmosphere CO2 and 13CO2 exchange was tested in transgenic Oryza sativa with the GDC H-subunit knocked down in leaf mesophyll cells. Leaf measurements on transgenic gdch knockdown and wild-type plants were carried out in

Effect of fluoride on in vivo nitrate reduction in the rive leaves (Oryza sativa L.).

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התחבר הרשם

Fluoride had no effect on in vitro nitrate reductase activity in rice leaves, but in vivo activity was strongly inhibited. It is suggested that fluoride brings about this inhibition by adversely affecting the physiological NADH generating system required for in vivo nitrate reduction.

Gene transcription in the leaves of rice undergoing salt-induced morphological changes (Oryza sativa L.).

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התחבר הרשם

We describe the gene expression profile of third leaves of rice (cv. Nipponbare) seedlings subjected to salt stress (130 mM NaCl). Transcripts of Mn-SOD, Cu/Zn-SOD,cytosolic and stromal APX, GR and CatB were regulated, whereas expression of thylakoid-bound APX and CatA were down-regulated. The

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