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Showing 1 to 12 of 45 entries
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Native phytochrome: immunoblot analysis of relative molecular mass and in-vitro proteolytic degradation for several plant species.

Planta

Vierstra RD, Cordonnier MM, Pratt LH, Quail PH.
PMID: 24258779
Planta. 1984 May;160(6):521-8. doi: 10.1007/BF00411140.

The relative molecular mass (Mr) of the native phytochrome monomer from etiolated Cucurbita pepo L., Pisum sativum L., Secale cereale L. and Zea mays L. seedlings has been determined using immunoblotting to visualize the chromoprotein in crude extracts subjected...

Native phytochrome: Inhibition of proteolysis yields a homogeneous monomer of 124 kilodaltons from Avena.

Proceedings of the National Academy of Sciences of the United States of America

Vierstra RD, Quail PH.
PMID: 16593222
Proc Natl Acad Sci U S A. 1982 Sep;79(17):5272-6. doi: 10.1073/pnas.79.17.5272.

Phytochrome purified from Avena as the red-absorbing form, Pr, by an established immunoaffinity column procedure is heterogeneous. Two major polypeptides and one minor polypeptide with apparent molecular masses of 118, 114, and 112 kilodaltons (kDal), respectively, are observed on...

Red light-induced formation of ubiquitin-phytochrome conjugates: Identification of possible intermediates of phytochrome degradation.

Proceedings of the National Academy of Sciences of the United States of America

Shanklin J, Jabben M, Vierstra RD.
PMID: 16593800
Proc Natl Acad Sci U S A. 1987 Jan;84(2):359-63. doi: 10.1073/pnas.84.2.359.

Phytochrome is the photoreceptor that controls red light-mediated morphogenesis in higher plants. It exists in two photointerconvertible forms, a red light-absorbing form, Pr, and a far-red light-absorbing form, Pfr. Because photoconversion of Pr to Pfr by a brief light...

Characterization of Tobacco Expressing Functional Oat Phytochrome : Domains Responsible for the Rapid Degradation of Pfr Are Conserved between Monocots and Dicots.

Plant physiology

Cherry JR, Hershey HP, Vierstra RD.
PMID: 16668254
Plant Physiol. 1991 Jul;96(3):775-85. doi: 10.1104/pp.96.3.775.

Constitutive expression of a chimeric oat phytochrome gene in tobacco (Nicotiana tabacum) results in the accumulation of a functional 124-kilodalton photoreceptor that markedly alters the phenotype of light-grown tobacco (Keller et al. [1989] EMBO J 8: 1005-1012). Here, we...

Carbon metabolism enzymes and photosynthesis in transgenic tobacco (Nicotiana tabacum L.) having excess phytochrome.

Planta

Sharkey TD, Vassey TL, Vanderveer PJ, Vierstra RD.
PMID: 24186408
Planta. 1991 Oct;185(3):287-96. doi: 10.1007/BF00201046.

J.M. Keller et al. (1989, EMBO J. 8, 1005-1012) introduced a phytochrome gene controlled by a cauliflower mosaic virus 35S promoter into tobacco (Nicotiana tabacum L.) providing material to test whether several photosynthesis enzymes can be increased by one...

Histone deacetylase inhibition reduces cardiac connexin43 expression and gap junction communication.

Frontiers in pharmacology

Xu Q, Lin X, Andrews L, Patel D, Lampe PD, Veenstra RD.
PMID: 23596417
Front Pharmacol. 2013 Apr 15;4:44. doi: 10.3389/fphar.2013.00044. eCollection 2013.

Histone deacetylase inhibitors (HDACIs) are being investigated as novel therapies for cancer, inflammation, neurodegeneration, and heart failure. The effects of HDACIs on the functional expression of cardiac gap junctions (GJs) are essentially unknown. The purpose of this study was...

Corrigendum: The Vacuolar Protein Sorting-38 Subunit of the .

Frontiers in plant science

Liu F, Hu W, Vierstra RD.
PMID: 32180788
Front Plant Sci. 2020 Feb 28;11:261. doi: 10.3389/fpls.2020.00261. eCollection 2020.

[This corrects the article DOI: 10.3389/fpls.2018.00781.].

Unbiased phenotypic identification of functionally distinct hematopoietic progenitors.

Journal of biological research (Thessalonike, Greece)

Georgolopoulos G, Iwata M, Psatha N, Yiangou M, Vierstra J.
PMID: 31360678
J Biol Res (Thessalon). 2019 Jul 18;26:4. doi: 10.1186/s40709-019-0097-7. eCollection 2019 Dec.

BACKGROUND: Hematopoiesis is a model-system for studying cellular development and differentiation. Phenotypic and functional characterization of hematopoietic progenitors has significantly aided our understanding of the mechanisms that govern fate choice, lineage specification and maturity. Methods for progenitor isolation have...

Spectral Characterization and Proteolytic Mapping of Native 120-Kilodalton Phytochrome from Cucurbita pepo L.

Plant physiology

Vierstra RD, Quail PH.
PMID: 16664177
Plant Physiol. 1985 Apr;77(4):990-8. doi: 10.1104/pp.77.4.990.

A spectral, immunochemical, and proteolytic characterization of native 120-kilodalton (kD) phytochrome from Cucurbita pepo L. is presented and compared with that previously reported for native 124-kD phytochrome from Avena sativa. The molecule was partially purified ( approximately 200-fold) in...

Expression of a functional monocotyledonous phytochrome in transgenic tobacco.

The EMBO journal

Keller JM, Shanklin J, Vierstra RD, Hershey HP.
PMID: 16453873
EMBO J. 1989 Apr;8(4):1005-12.

A chimeric oat phytochrome structural gene with an uninterrupted coding region was constructed for expression of the monocot protein in transgenic plants. The structural gene was placed under the transcriptional control of either a light-regulated oat phytochrome promoter or...

Comparison of the effects of exogenous native phytochrome and in-vivo irradiation on in-vitro transcription in isolated nuclei from barley (Hordeum vulgare).

Planta

Mösinger E, Batschauer A, Vierstra R, Apel K, Schäfer E.
PMID: 24233013
Planta. 1987 Apr;170(4):505-14. doi: 10.1007/BF00402984.

In barley seedlings the transcription of genes coding for the light-harvesting chlorophyll a/b protein (LHCP) is stimulated and the transcription of genes coding for the NADPH-protochlorophyllide oxidoreductase (reductase) is repressed by light working via the phytochrome system. This phytochrome-mediated...

Proteolysis alters the spectral properties of 124 kdalton phytochrome from Avena.

Planta

Vierstra RD, Quail PH.
PMID: 24272311
Planta. 1982 Nov;156(2):158-65. doi: 10.1007/BF00395430.

Native phytochrome from Avena sativa L. is homogeneous with a monomeric molecular weight of 124 kdalton; 6-10 kdalton larger than the heterogeneous "120" kdalton preparations previously considered to be undegraded (Vierstra and Quail, 1982, Proc. Natl. Acad. Sci. USA,...

Showing 1 to 12 of 45 entries