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Network analyses identify a transcriptomic proximodistal prepattern in the maize leaf primordium.

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Title: Network analyses identify a transcriptomic proximodistal prepattern in the maize leaf primordium.
Authors: Leiboff, Samuel1,2,3 (AUTHOR), Strable, Josh1 (AUTHOR), Johnston, Robyn1 (AUTHOR), Federici, Silvia1 (AUTHOR), Sylvester, Anne W.1,4 (AUTHOR) annesyl@uwyo.edu, Scanlon, Michael J.1 (AUTHOR) annesyl@uwyo.edu
Source: New Phytologist. Apr2021, Vol. 230 Issue 1, p218-227. 10p.
Subjects: Corn, Germplasm, Conceptual models, Foliar diagnosis, Gene expression
Abstract: Summary: The formation of developmental boundaries is a common feature of multicellular plants and animals, and impacts the initiation, structure and function of all organs. Maize leaves comprise a proximal sheath that encloses the stem, and a distal photosynthetic blade that projects away from the plant axis. An epidermally derived ligule and a joint‐like auricle develop at the blade/sheath boundary of maize leaves. Mutations disturbing the ligule/auricle region disrupt leaf patterning and impact plant architecture, yet it is unclear how this developmental boundary is established.Targeted microdissection followed by transcriptomic analyses of young leaf primordia were utilized to construct a co‐expression network associated with development of the blade/sheath boundary.Evidence is presented for proximodistal gradients of gene expression that establish a prepatterned transcriptomic boundary in young leaf primordia, before the morphological initiation of the blade/sheath boundary in older leaves.This work presents a conceptual model for spatiotemporal patterning of proximodistal leaf domains, and provides a rich resource of candidate gene interactions for future investigations of the mechanisms of blade/sheath boundary formation in maize. [ABSTRACT FROM AUTHOR]
Copyright of New Phytologist is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 149017196
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Network analyses identify a transcriptomic proximodistal prepattern in the maize leaf primordium.
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  Data: <searchLink fieldCode="AR" term="%22Leiboff%2C+Samuel%22">Leiboff, Samuel</searchLink><relatesTo>1,2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Strable%2C+Josh%22">Strable, Josh</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Johnston%2C+Robyn%22">Johnston, Robyn</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Federici%2C+Silvia%22">Federici, Silvia</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sylvester%2C+Anne+W%2E%22">Sylvester, Anne W.</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<i> annesyl@uwyo.edu</i><br /><searchLink fieldCode="AR" term="%22Scanlon%2C+Michael+J%2E%22">Scanlon, Michael J.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> annesyl@uwyo.edu</i>
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  Data: <searchLink fieldCode="JN" term="%22New+Phytologist%22">New Phytologist</searchLink>. Apr2021, Vol. 230 Issue 1, p218-227. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Corn%22">Corn</searchLink><br /><searchLink fieldCode="DE" term="%22Germplasm%22">Germplasm</searchLink><br /><searchLink fieldCode="DE" term="%22Conceptual+models%22">Conceptual models</searchLink><br /><searchLink fieldCode="DE" term="%22Foliar+diagnosis%22">Foliar diagnosis</searchLink><br /><searchLink fieldCode="DE" term="%22Gene+expression%22">Gene expression</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Summary: The formation of developmental boundaries is a common feature of multicellular plants and animals, and impacts the initiation, structure and function of all organs. Maize leaves comprise a proximal sheath that encloses the stem, and a distal photosynthetic blade that projects away from the plant axis. An epidermally derived ligule and a joint‐like auricle develop at the blade/sheath boundary of maize leaves. Mutations disturbing the ligule/auricle region disrupt leaf patterning and impact plant architecture, yet it is unclear how this developmental boundary is established.Targeted microdissection followed by transcriptomic analyses of young leaf primordia were utilized to construct a co‐expression network associated with development of the blade/sheath boundary.Evidence is presented for proximodistal gradients of gene expression that establish a prepatterned transcriptomic boundary in young leaf primordia, before the morphological initiation of the blade/sheath boundary in older leaves.This work presents a conceptual model for spatiotemporal patterning of proximodistal leaf domains, and provides a rich resource of candidate gene interactions for future investigations of the mechanisms of blade/sheath boundary formation in maize. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of New Phytologist is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1111/nph.17132
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      – Code: eng
        Text: English
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        StartPage: 218
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        Type: general
      – SubjectFull: Germplasm
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      – SubjectFull: Conceptual models
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      – SubjectFull: Foliar diagnosis
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      – SubjectFull: Gene expression
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    Titles:
      – TitleFull: Network analyses identify a transcriptomic proximodistal prepattern in the maize leaf primordium.
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              Text: Apr2021
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              Y: 2021
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