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Fruit Development, Structure, and Function

Fruit Development, Structure, and Function

Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.

Seed Structure and Early Development of the Sporophyte

Seed Structure and Early Development of the Sporophyte

Seed structures are composed of a protective seed coat surrounding a plant embryo, and a food store for the developing embryo. The embryo contains the precursor tissues for leaves, stem, and roots. The endosperm and cotyledons—seed leaves—act as the food reserves for the growing embryo.

Introduction to Plant Diversity

Introduction to Plant Diversity

From Water to Land

The Angiosperm Life Cycle

The Angiosperm Life Cycle

Plants have a life cycle split between two multicellular stages: a haploid stage—with cells containing one set of chromosomes—and a diploid stage—with cells containing two sets of chromosomes. The haploid stage is the gamete-producing gametophyte, and the diploid stage is the spore-producing sporophyte.

Seedless Vascular Plants

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Seedless Vascular Plants Were the First Tall Plants on Earth

Introduction to Seed Plants

Introduction to Seed Plants

Most plants are seed plants—characterized by seeds, pollen, and reduced gametophytes. Seed plants include gymnosperms and angiosperms.

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Updated: Mar 20, 2026

Reliable Method for Assessing Seed Germination, Dormancy, and Mortality under Field Conditions

Reliable Method for Assessing Seed Germination, Dormancy, and Mortality under Field Conditions

Published on: November 6, 2016

モルフォメカニカル・イノベーションが爆発的な種子拡散を促す

Hugo Hofhuis¹, Derek Moulton², Thomas Lessinnes²

¹Max Planck Institute for Plant Breeding Research, Carl-von-Linné-Weg 10, 50829 Köln, Germany.

|June 7, 2016

まとめ

カルダミンヒルシュタの爆発的な種子分散は,形状学的な革新によって進化しました. この複雑な特徴には細胞から臓器のスケールまでの協調された機械的・生物学的プロセスが含まれています

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Last Updated: Mar 20, 2026

Reliable Method for Assessing Seed Germination, Dormancy, and Mortality under Field Conditions

Reliable Method for Assessing Seed Germination, Dormancy, and Mortality under Field Conditions

Published on: November 6, 2016

Mechanostimulation of Multicellular Organisms Through a High-Throughput Microfluidic Compression System

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科学分野:

植物生物学
進化生物学
バイオメカニクス

背景:

複雑な特性の進化には機械的・生物学的プロセスを調整することが重要です
カルダミンヒルシュタは種子を爆発的に散布します魅力的な植物特性です

研究の目的:

カルダミンヒルスータの爆発性種子分散の基礎となる形状学的な革新を明らかにする.
複雑な特性の発達と進化の新鮮さを結びつけ,空間的なスケールでメカニズムを統合する.

主な方法:

異なる果物の壁組織の収縮による臓器スケールの緊張生成を調査した.
非対称なリグニンの堆積を通して爆発物の放出を細胞スケールで制御した.
このパターンの関連性を調べました

主要な成果:

臓器スケールの緊張は,高圧,細胞幾何学,および表皮の性質を含む活発な果物の壁組織の収縮によって生成されます.
細胞規模での爆発的放出は,内皮細胞における不対称なリグニンの堆積によって制御される.
このリグニンの堆積パターンは,ブラシカセイ族全体に保存され,爆発的なポッドの破裂と相関しています.

結論:

進化的新奇性と複雑な特性の革新を結びつける爆発的な種子分散のための統合メカニズムが提示されました.
この特性の進化の鍵となるのは異なる空間的スケールでの形状学的な革新です