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Selenium downregulates auxin and ethylene biosynthesis in rice seedlings to modify primary metabolism and root architecture

Main conclusion Selenium modulates the formation of primary and lateral roots through alterations in auxin and ethylene, leading to new patterns of root architecture in rice seedlings. Selenium (Se) at low concentrations can control root growth through interaction with hormone biosynthesis. Auxin an... Full description

Journal Title: Planta 2019, Vol.250 (1), p.333-345
Main Author: Malheiros, Rafael S. P.
Other Authors: Costa, Lucas C. , Ávila, Rodrigo T. , Pimenta, Thaline M. , Teixeira, Lubia S. , Brito, Fred A. L. , Zsögön, Agustín , Araújo, Wagner L. , Ribeiro, Dimas M.
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: Berlin/Heidelberg: Springer Berlin Heidelberg
ID: ISSN: 0032-0935
Link: https://www.ncbi.nlm.nih.gov/pubmed/31030327
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title: Selenium downregulates auxin and ethylene biosynthesis in rice seedlings to modify primary metabolism and root architecture
format: Article
creator:
  • Malheiros, Rafael S. P.
  • Costa, Lucas C.
  • Ávila, Rodrigo T.
  • Pimenta, Thaline M.
  • Teixeira, Lubia S.
  • Brito, Fred A. L.
  • Zsögön, Agustín
  • Araújo, Wagner L.
  • Ribeiro, Dimas M.
subjects:
  • Acetic acid
  • Agriculture
  • Auxin
  • Biological Transport
  • Biomedical and Life Sciences
  • Biosynthesis
  • Carboxylic acids
  • Computer architecture
  • Down-Regulation - drug effects
  • Ecology
  • Elongation
  • Ethylene
  • Ethylenes - metabolism
  • Forestry
  • Gene expression
  • Gene Expression Regulation, Plant - drug effects
  • Glycine
  • Hormones
  • Indoleacetic acid
  • Indoleacetic Acids - metabolism
  • Indoleacetic Acids - pharmacology
  • Life Sciences
  • Low concentrations
  • Metabolism
  • Original Article
  • Oryza - anatomy & histology
  • Oryza - drug effects
  • Oryza - metabolism
  • Oryza sativa
  • Physiological aspects
  • Plant Growth Regulators - metabolism
  • Plant Growth Regulators - pharmacology
  • Plant Roots - anatomy & histology
  • Plant Roots - drug effects
  • Plant Roots - metabolism
  • Plant Sciences
  • Proteins
  • Rice
  • Roots
  • Seedlings
  • Seedlings - anatomy & histology
  • Seedlings - genetics
  • Seedlings - metabolism
  • Selenium
  • Selenium - pharmacology
  • Sugars
ispartof: Planta, 2019, Vol.250 (1), p.333-345
description: Main conclusion Selenium modulates the formation of primary and lateral roots through alterations in auxin and ethylene, leading to new patterns of root architecture in rice seedlings. Selenium (Se) at low concentrations can control root growth through interaction with hormone biosynthesis. Auxin and ethylene have been shown to control the root architecture, with most of the information obtained from the eudicots such Arabidopsis and Nicotiana tabacum . Here, we presented the effects of Se on auxin and ethylene pathways and examined their impact on primary metabolism and root system architecture in rice ( Oryza sativa L.) seedlings. Se treatment increased elongation of primary root, but decreased the number and length of lateral roots. Se led to decreased expression of genes associated with the biosynthesis of auxin and ethylene, concomitantly with reduced production of these hormones by the roots. Moreover, Se decreased the abundance of transcripts encoding auxin transport proteins. Indole-3-acetic acid (IAA) treatment overrode the repressive effect of Se on lateral root growth. The ethylene synthesis inhibitor l -α-(2-aminoethoxyvinyl)-glycine (AVG) increased elongation of primary root, whereas the ethylene precursor 1-aminocyclopropane-1-carboxylic acid (ACC) resulted in the opposite effect. Soluble sugars accumulate in roots of rice seedlings under Se treatment. Thus, Se modulates the formation of primary and lateral roots through alterations in auxin and ethylene, leading to new patterns of root architecture in rice seedlings.
language: eng
source:
identifier: ISSN: 0032-0935
fulltext: no_fulltext
issn:
  • 0032-0935
  • 1432-2048
url: Link


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titleSelenium downregulates auxin and ethylene biosynthesis in rice seedlings to modify primary metabolism and root architecture
creatorMalheiros, Rafael S. P. ; Costa, Lucas C. ; Ávila, Rodrigo T. ; Pimenta, Thaline M. ; Teixeira, Lubia S. ; Brito, Fred A. L. ; Zsögön, Agustín ; Araújo, Wagner L. ; Ribeiro, Dimas M.
creatorcontribMalheiros, Rafael S. P. ; Costa, Lucas C. ; Ávila, Rodrigo T. ; Pimenta, Thaline M. ; Teixeira, Lubia S. ; Brito, Fred A. L. ; Zsögön, Agustín ; Araújo, Wagner L. ; Ribeiro, Dimas M.
descriptionMain conclusion Selenium modulates the formation of primary and lateral roots through alterations in auxin and ethylene, leading to new patterns of root architecture in rice seedlings. Selenium (Se) at low concentrations can control root growth through interaction with hormone biosynthesis. Auxin and ethylene have been shown to control the root architecture, with most of the information obtained from the eudicots such Arabidopsis and Nicotiana tabacum . Here, we presented the effects of Se on auxin and ethylene pathways and examined their impact on primary metabolism and root system architecture in rice ( Oryza sativa L.) seedlings. Se treatment increased elongation of primary root, but decreased the number and length of lateral roots. Se led to decreased expression of genes associated with the biosynthesis of auxin and ethylene, concomitantly with reduced production of these hormones by the roots. Moreover, Se decreased the abundance of transcripts encoding auxin transport proteins. Indole-3-acetic acid (IAA) treatment overrode the repressive effect of Se on lateral root growth. The ethylene synthesis inhibitor l -α-(2-aminoethoxyvinyl)-glycine (AVG) increased elongation of primary root, whereas the ethylene precursor 1-aminocyclopropane-1-carboxylic acid (ACC) resulted in the opposite effect. Soluble sugars accumulate in roots of rice seedlings under Se treatment. Thus, Se modulates the formation of primary and lateral roots through alterations in auxin and ethylene, leading to new patterns of root architecture in rice seedlings.
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languageeng
publisherBerlin/Heidelberg: Springer Berlin Heidelberg
subjectAcetic acid ; Agriculture ; Auxin ; Biological Transport ; Biomedical and Life Sciences ; Biosynthesis ; Carboxylic acids ; Computer architecture ; Down-Regulation - drug effects ; Ecology ; Elongation ; Ethylene ; Ethylenes - metabolism ; Forestry ; Gene expression ; Gene Expression Regulation, Plant - drug effects ; Glycine ; Hormones ; Indoleacetic acid ; Indoleacetic Acids - metabolism ; Indoleacetic Acids - pharmacology ; Life Sciences ; Low concentrations ; Metabolism ; Original Article ; Oryza - anatomy & histology ; Oryza - drug effects ; Oryza - metabolism ; Oryza sativa ; Physiological aspects ; Plant Growth Regulators - metabolism ; Plant Growth Regulators - pharmacology ; Plant Roots - anatomy & histology ; Plant Roots - drug effects ; Plant Roots - metabolism ; Plant Sciences ; Proteins ; Rice ; Roots ; Seedlings ; Seedlings - anatomy & histology ; Seedlings - genetics ; Seedlings - metabolism ; Selenium ; Selenium - pharmacology ; Sugars
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1Costa, Lucas C.
2Ávila, Rodrigo T.
3Pimenta, Thaline M.
4Teixeira, Lubia S.
5Brito, Fred A. L.
6Zsögön, Agustín
7Araújo, Wagner L.
8Ribeiro, Dimas M.
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descriptionMain conclusion Selenium modulates the formation of primary and lateral roots through alterations in auxin and ethylene, leading to new patterns of root architecture in rice seedlings. Selenium (Se) at low concentrations can control root growth through interaction with hormone biosynthesis. Auxin and ethylene have been shown to control the root architecture, with most of the information obtained from the eudicots such Arabidopsis and Nicotiana tabacum . Here, we presented the effects of Se on auxin and ethylene pathways and examined their impact on primary metabolism and root system architecture in rice ( Oryza sativa L.) seedlings. Se treatment increased elongation of primary root, but decreased the number and length of lateral roots. Se led to decreased expression of genes associated with the biosynthesis of auxin and ethylene, concomitantly with reduced production of these hormones by the roots. Moreover, Se decreased the abundance of transcripts encoding auxin transport proteins. Indole-3-acetic acid (IAA) treatment overrode the repressive effect of Se on lateral root growth. The ethylene synthesis inhibitor l -α-(2-aminoethoxyvinyl)-glycine (AVG) increased elongation of primary root, whereas the ethylene precursor 1-aminocyclopropane-1-carboxylic acid (ACC) resulted in the opposite effect. Soluble sugars accumulate in roots of rice seedlings under Se treatment. Thus, Se modulates the formation of primary and lateral roots through alterations in auxin and ethylene, leading to new patterns of root architecture in rice seedlings.
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0Acetic acid
1Agriculture
2Auxin
3Biological Transport
4Biomedical and Life Sciences
5Biosynthesis
6Carboxylic acids
7Computer architecture
8Down-Regulation - drug effects
9Ecology
10Elongation
11Ethylene
12Ethylenes - metabolism
13Forestry
14Gene expression
15Gene Expression Regulation, Plant - drug effects
16Glycine
17Hormones
18Indoleacetic acid
19Indoleacetic Acids - metabolism
20Indoleacetic Acids - pharmacology
21Life Sciences
22Low concentrations
23Metabolism
24Original Article
25Oryza - anatomy & histology
26Oryza - drug effects
27Oryza - metabolism
28Oryza sativa
29Physiological aspects
30Plant Growth Regulators - metabolism
31Plant Growth Regulators - pharmacology
32Plant Roots - anatomy & histology
33Plant Roots - drug effects
34Plant Roots - metabolism
35Plant Sciences
36Proteins
37Rice
38Roots
39Seedlings
40Seedlings - anatomy & histology
41Seedlings - genetics
42Seedlings - metabolism
43Selenium
44Selenium - pharmacology
45Sugars
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titleSelenium downregulates auxin and ethylene biosynthesis in rice seedlings to modify primary metabolism and root architecture
authorMalheiros, Rafael S. P. ; Costa, Lucas C. ; Ávila, Rodrigo T. ; Pimenta, Thaline M. ; Teixeira, Lubia S. ; Brito, Fred A. L. ; Zsögön, Agustín ; Araújo, Wagner L. ; Ribeiro, Dimas M.
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1Agriculture
2Auxin
3Biological Transport
4Biomedical and Life Sciences
5Biosynthesis
6Carboxylic acids
7Computer architecture
8Down-Regulation - drug effects
9Ecology
10Elongation
11Ethylene
12Ethylenes - metabolism
13Forestry
14Gene expression
15Gene Expression Regulation, Plant - drug effects
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17Hormones
18Indoleacetic acid
19Indoleacetic Acids - metabolism
20Indoleacetic Acids - pharmacology
21Life Sciences
22Low concentrations
23Metabolism
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26Oryza - drug effects
27Oryza - metabolism
28Oryza sativa
29Physiological aspects
30Plant Growth Regulators - metabolism
31Plant Growth Regulators - pharmacology
32Plant Roots - anatomy & histology
33Plant Roots - drug effects
34Plant Roots - metabolism
35Plant Sciences
36Proteins
37Rice
38Roots
39Seedlings
40Seedlings - anatomy & histology
41Seedlings - genetics
42Seedlings - metabolism
43Selenium
44Selenium - pharmacology
45Sugars
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6Zsögön, Agustín
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1Costa, Lucas C.
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3Pimenta, Thaline M.
4Teixeira, Lubia S.
5Brito, Fred A. L.
6Zsögön, Agustín
7Araújo, Wagner L.
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atitleSelenium downregulates auxin and ethylene biosynthesis in rice seedlings to modify primary metabolism and root architecture
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abstractMain conclusion Selenium modulates the formation of primary and lateral roots through alterations in auxin and ethylene, leading to new patterns of root architecture in rice seedlings. Selenium (Se) at low concentrations can control root growth through interaction with hormone biosynthesis. Auxin and ethylene have been shown to control the root architecture, with most of the information obtained from the eudicots such Arabidopsis and Nicotiana tabacum . Here, we presented the effects of Se on auxin and ethylene pathways and examined their impact on primary metabolism and root system architecture in rice ( Oryza sativa L.) seedlings. Se treatment increased elongation of primary root, but decreased the number and length of lateral roots. Se led to decreased expression of genes associated with the biosynthesis of auxin and ethylene, concomitantly with reduced production of these hormones by the roots. Moreover, Se decreased the abundance of transcripts encoding auxin transport proteins. Indole-3-acetic acid (IAA) treatment overrode the repressive effect of Se on lateral root growth. The ethylene synthesis inhibitor l -α-(2-aminoethoxyvinyl)-glycine (AVG) increased elongation of primary root, whereas the ethylene precursor 1-aminocyclopropane-1-carboxylic acid (ACC) resulted in the opposite effect. Soluble sugars accumulate in roots of rice seedlings under Se treatment. Thus, Se modulates the formation of primary and lateral roots through alterations in auxin and ethylene, leading to new patterns of root architecture in rice seedlings.
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pmid31030327
doi10.1007/s00425-019-03175-6
orcididhttps://orcid.org/0000-0002-8999-5547