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Plants having increased yield-related traits and a method for making the same

A plant and trait technology, applied in the field of molecular biology, that can solve problems such as crop loss and average yield decline

Inactive Publication Date: 2010-09-29
BASF PLANT SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Abiotic stress is the leading cause of crop loss worldwide, reducing the average yield of most major crop plants by more than 50% (Wang et al., Planta (2003) 218: 1-14)

Method used

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  • Plants having increased yield-related traits and a method for making the same
  • Plants having increased yield-related traits and a method for making the same
  • Plants having increased yield-related traits and a method for making the same

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Embodiment Construction

[0194] It has now surprisingly been found that increasing expression in plants of a nucleic acid sequence encoding an AHL19 / 20 polypeptide gives plants having enhanced seed yield-related traits without delayed flowering relative to control plants. According to a first embodiment, the present invention provides a method for enhancing seed yield-related traits in plants relative to control plants, comprising increasing expression in a plant of a nucleic acid sequence encoding an AHL19 / 20 polypeptide.

[0195] A preferred method of increasing the expression of a nucleic acid sequence encoding an AHL19 / 20 polypeptide is to introduce and express the nucleic acid sequence encoding an AHL19 / 20 polypeptide in plants.

[0196]In one embodiment, any "protein useful in the methods of the invention" mentioned below is understood to mean an AHL19 / 20 polypeptide as defined herein. Any "nucleic acid sequence usable in the method of the present invention" mentioned below should be understood ...

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Abstract

The present invention relates generally to the field of molecular biology and concerns a method for increasing various plant yield-related traits by modulating expression in a plant of a nucleic acid sequence encoding a yield increasing polypeptide selected from the group consisting of: an AT-hook motif nuclear localized 19 / 20 (AHL19 / 20), a GRP (Growth Regulating Protein) (wherein said GRP polypeptide is a metallothionein 2a (MT2a) polypeptide), an alanine aminotransferase (AAT)-like polypeptide, and an alanine aminotransferase (AAT) polypeptide. The present invention also concerns plants having modulating expression of a nucleic acid sequence encoding a yield increasing polypeptide selected from the group consisting of: an AT-hook motif nuclear localized 19 / 20 (AHL19 / 20), a GRP (Growth Regulating Protein) (wherein said GRP polypeptide is a metallothionein 2a (MT2a) polypeptide), an alanine aminotransferase (AAT)-like polypeptide, and an alanine aminotransferase (AAT) polypeptide which plants have increased yield-related traits relative to control plants. The invention also provides constructs useful in the methods of the invention.

Description

field of invention [0001] The present invention generally relates to the field of molecular biology and relates to a method for enhancing various plant yield-related traits by increasing expression in a plant of a nucleic acid sequence encoding a yield-enhancing polypeptide selected from the group consisting of: [0002] Nuclear localized AT-hook motif protein 19 / 20 (AHL19 / 20), [0003] GRP (growth regulatory protein, wherein the GRP polypeptide is a metallothionein 2a (MT2a) polypeptide), an alanine aminotransferase (AAT)-like polypeptide, and [0004] Alanine aminotransferase (AAT) polypeptides. The present invention also relates to plants having increased expression of a nucleic acid sequence encoding said yield-enhancing polypeptide, which plants have enhanced yield-related traits relative to control plants. The invention also provides constructs for use in the methods of the invention. Background technique [0005] A growing world population and dwindling arable land...

Claims

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Application Information

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IPC IPC(8): C12N15/82C07K14/415
CPCC12N15/8261Y02A40/146C12N15/8273
Inventor Y·海茨费尔德V·弗兰卡德
Owner BASF PLANT SCI
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