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4 protocols using as08 312

1

Quantitative Western Blot Analysis

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TAP-dark grown cells were pelleted by centrifugation, resuspended in an extraction buffer containing 5 mM HEPES-KOH, pH 7.5, 100 mM dithiothreitol, 100 mM Na2CO3, 2% (w/v) SDS, and 12% (w/v) sucrose, and lysed by boiling for 1 min. Extracted proteins were separated on SDS-PAGE (12% precast polyacrylamide gels, Bio-Rad) using tubulin as a loading and normalization control. Polypeptides were transferred onto polyvinylidene difluoride membranes using a semidry blotting apparatus (Bio-Rad) at 15 volts for 30 minutes. For western blot analyses, membranes were blocked for 1 h at room temperature in Tris-buffered saline-0.1% (v/v) Tween containing 5% powdered milk followed by a 1 h incubation of the membranes at room temperature with the primary antibodies in Tris-buffered saline-0.1% (v/v) Tween containing powdered milk (3% [w/v]). Primary antibodies were diluted according to the manufacturer’s recommendations. All antibodies were from Agrisera and the catalog numbers for the antibodies against CP43, PsaA, ATPC, and α-tubulin were AS11–1787, AS06–172-100, AS08–312, and AS10–680, respectively. Proteins were detected by enhanced chemiluminescence (K-12045-D20, Advansta) and imaged on a medical film processor (Konica) as previously described9 (link).
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2

Immunoblotting of Photosynthetic Proteins

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Total proteins were isolated from whole seedlings (grown under long-day conditions with 100 µmol·m−2·s−1 light intensity at 22 °C for 10 days as indicated). Proteins were separated by 4–12% SDS-PAGE gel. After the proteins were transferred electrophoretically onto the nitrocellulose filter membrane, the membrane was incubated with corresponding antibodies. Anti-ATPC1 (AS08312, Agrisera, Vännäs, Sweden), anti-GAPDH (K90002P, Solarbio, Beijing, China), anti-PSAD (PHY0056A, PhytoAB, San Jose, CA, USA), anti-PSBQ (PHY2346A, PhytoAB, San Jose, CA, USA), anti-LHCA1 (PHY0043A, PhytoAB, San Jose, CA, USA), anti-LHCA6 (PHY0470S, PhytoAB, San Jose, CA, USA), anti-LHCB2 (AS01003, Agrisera, Vännäs, Sweden), and anti-RuBisCo (AG5359, Beyotime, Shanghai, China) antibodies were used for immunoblot analysis. GAPDH was used as the reference protein to determine the amount of protein loaded.
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3

Immunoblotting Analysis of Plant Proteins

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Extraction of leaf proteins, determination of protein content, separation of proteins by sodium dodecyl sulphate–polyacrylamide gel electrophoresis and Western blotting were done as described previously (Toivola et al., 2013; Nikkanen et al., 2016). After blotting, membranes were probed overnight at 4°C with primary antibodies raised against PRK (AS07 257; Agrisera AB, Vännas, Sweden), FBPase (kindly provided by Dr M. Sahrawy, CSIC, Spain), CF1γ (AS08 312; Agrisera), 2‐Cys PRXs and NTRB (kindly provided by Prof. F. J. Cejudo, Institute of Plant Biochemistry, University of Sevilla), TRXf1/2 (AS14 2808; Agrisera), APX (AS08 368; Agrisera), ADP‐glucose pyrophosphorylase (AS11 1739; Agrisera) and NTRC (Lepistö et al., 2009). A horseradish peroxidase‐conjugated goat antirabbit secondary antibody (AS09 602; Agrisera) was applied for 2 h. All immunoblots shown are representative of at least three biological replicates of similar results.
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4

Quantitative Western Blot Analysis

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TAP-dark grown cells were pelleted by centrifugation, resuspended in an extraction buffer containing 5 mM HEPES-KOH, pH 7.5, 100 mM dithiothreitol, 100 mM Na2CO3, 2% (w/v) SDS, and 12% (w/v) sucrose, and lysed by boiling for 1 min. Extracted proteins were separated on SDS-PAGE (12% precast polyacrylamide gels, Bio-Rad) using tubulin as a loading and normalization control. Polypeptides were transferred onto polyvinylidene difluoride membranes using a semidry blotting apparatus (Bio-Rad) at 15 volts for 30 minutes. For western blot analyses, membranes were blocked for 1 h at room temperature in Tris-buffered saline-0.1% (v/v) Tween containing 5% powdered milk followed by a 1 h incubation of the membranes at room temperature with the primary antibodies in Tris-buffered saline-0.1% (v/v) Tween containing powdered milk (3% [w/v]). Primary antibodies were diluted according to the manufacturer’s recommendations. All antibodies were from Agrisera and the catalog numbers for the antibodies against CP43, PsaA, ATPC, and α-tubulin were AS11–1787, AS06–172-100, AS08–312, and AS10–680, respectively. Proteins were detected by enhanced chemiluminescence (K-12045-D20, Advansta) and imaged on a medical film processor (Konica) as previously described9 (link).
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