Inhibition of chloroplast ribosome formation by N,N-bis(phosphonomethyl)glycine

S. M. Croft; C. J. Arntzen; L. N. Vanderhoef; C. S. Zettinger

doi:10.1016/0005-2787(74)90225-1

Inhibition of chloroplast ribosome formation by N,N-bis(phosphonomethyl)glycine

S. M. Croft, C. J. Arntzen, L. N. Vanderhoef, C. S. Zettinger

Arizona State University

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

Foliar application of an experimental plant growth regulator, N,N-bis(phosphonomethyl)glycine (glyphosine) caused chlorosis of emerging leaves of maize seedlings. These bleached leaf segments had reduced levels of chloroplastic 70-S ribosomes and chloroplastic ribosomal RNA. In the same segments, there was no effect on the level of 80-S cytoplasmic ribosomes. Ultrastructural studies showed that chloroplasts in these tissues had reduced levels of grana stacking. Glyphosine had no effects on the light-induced electron transport and phosphorylation activities of isolated chloroplasts.

Original language	English (US)
Pages (from-to)	211-217
Number of pages	7
Journal	BBA Section Nucleic Acids And Protein Synthesis
Volume	335
Issue number	2
DOIs	https://doi.org/10.1016/0005-2787(74)90225-1
State	Published - Jan 31 1974

ASJC Scopus subject areas

Medicine(all)

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10.1016/0005-2787(74)90225-1

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title = "Inhibition of chloroplast ribosome formation by N,N-bis(phosphonomethyl)glycine",

abstract = "Foliar application of an experimental plant growth regulator, N,N-bis(phosphonomethyl)glycine (glyphosine) caused chlorosis of emerging leaves of maize seedlings. These bleached leaf segments had reduced levels of chloroplastic 70-S ribosomes and chloroplastic ribosomal RNA. In the same segments, there was no effect on the level of 80-S cytoplasmic ribosomes. Ultrastructural studies showed that chloroplasts in these tissues had reduced levels of grana stacking. Glyphosine had no effects on the light-induced electron transport and phosphorylation activities of isolated chloroplasts.",

author = "Croft, {S. M.} and Arntzen, {C. J.} and Vanderhoef, {L. N.} and Zettinger, {C. S.}",

note = "Funding Information: We thank Dr E. Jaworski of the Monsanto Company, St. Louis, Mo. for the sample of glyphosine and for useful discussions. The research was supported in part by funds from the University of Illinois Agricultural Experiment Station to C. J. Arntzen. Appreciation is expressed to Drs S. Mertz and R. Macleod for technical assistance.",

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T1 - Inhibition of chloroplast ribosome formation by N,N-bis(phosphonomethyl)glycine

AU - Croft, S. M.

AU - Arntzen, C. J.

AU - Vanderhoef, L. N.

AU - Zettinger, C. S.

N1 - Funding Information: We thank Dr E. Jaworski of the Monsanto Company, St. Louis, Mo. for the sample of glyphosine and for useful discussions. The research was supported in part by funds from the University of Illinois Agricultural Experiment Station to C. J. Arntzen. Appreciation is expressed to Drs S. Mertz and R. Macleod for technical assistance.

PY - 1974/1/31

Y1 - 1974/1/31

N2 - Foliar application of an experimental plant growth regulator, N,N-bis(phosphonomethyl)glycine (glyphosine) caused chlorosis of emerging leaves of maize seedlings. These bleached leaf segments had reduced levels of chloroplastic 70-S ribosomes and chloroplastic ribosomal RNA. In the same segments, there was no effect on the level of 80-S cytoplasmic ribosomes. Ultrastructural studies showed that chloroplasts in these tissues had reduced levels of grana stacking. Glyphosine had no effects on the light-induced electron transport and phosphorylation activities of isolated chloroplasts.

AB - Foliar application of an experimental plant growth regulator, N,N-bis(phosphonomethyl)glycine (glyphosine) caused chlorosis of emerging leaves of maize seedlings. These bleached leaf segments had reduced levels of chloroplastic 70-S ribosomes and chloroplastic ribosomal RNA. In the same segments, there was no effect on the level of 80-S cytoplasmic ribosomes. Ultrastructural studies showed that chloroplasts in these tissues had reduced levels of grana stacking. Glyphosine had no effects on the light-induced electron transport and phosphorylation activities of isolated chloroplasts.

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Inhibition of chloroplast ribosome formation by N,N-bis(phosphonomethyl)glycine

Abstract

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