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Conservation of the dehiscence zone gene regulatory network in dicots and the role of the SEEDSTICK ortholog of California poppy (Eschscholzia californica) in fruit development.
Evodevo
December 2024
Institute of Botany, Justus-Liebig-University, Heinrich-Buff-Ring 38, 35392, Giessen, Germany.
Background: Fruits, with their diverse shapes, colors, and flavors, represent a fascinating aspect of plant evolution and have played a significant role in human history and nutrition. Understanding the origins and evolutionary pathways of fruits offers valuable insights into plant diversity, ecological relationships, and the development of agricultural systems. Arabidopsis thaliana (Brassicaceae, core eudicot) and Eschscholzia californica (California poppy, Papaveraceae, sister group to core eudicots) both develop dry dehiscent fruits, with two valves separating explosively from the replum-like region upon maturation.
View Article and Find Full Text PDFWarming altered the effect of cold stratification on the germination of across climatic zones in its invasive range.
Front Plant Sci
November 2024
Key Laboratory of the Ministry of Education for Coastal and Wetland Ecosystems, College of the Environment and Ecology, Xiamen University, Xiamen, Fujian, China.
Introduction: Cold stratification has a pronounced influence on seed germination, climate change is altering cold stratification regimes across climatic zones. Therefore, it is urgent to explore how seed germination from different geographic provenances responds to these changes. The invasive plant Spartina alterniflora spans three climatic zones along the Chinese coast, such distribution provides a natural temperature gradient to explore how warming alters the effects of cold stratification on germination.
View Article and Find Full Text PDFGenetic Diversity and Population Structure Analysis in Guar.
Plants (Basel)
November 2024
Texas A&M AgriLife Research, 1102 East Drew Street, Lubbock, TX 79403, USA.
Article Synopsis
- - Guar, a plant domesticated in India and Pakistan, produces seeds containing valuable galactomannan gum used in various industries, yet its genetic diversity is not well-explored.
- - Researchers analyzed 225 guar accessions using 7000 SNP markers, revealing three major genetic clusters and a strong correlation between genetic diversity and geographic origins, particularly from India.
- - Findings suggest that some underutilized subpopulations (Q2 and Q3) may hold potential for enhancing breeding programs in the U.S. by introducing beneficial traits into guar germplasm.
Uncovering the mechanical secrets of the squirting cucumber.
Proc Natl Acad Sci U S A
December 2024
University of Oxford Botanic Garden, Oxford OX1 4AZ, United Kingdom.
Rapid movement is rare in the plant kingdom, but a prerequisite for ballistic seed dispersal. A particularly dramatic example of rapid motion in plants is the squirting cucumber () which launches its seeds explosively via a high-pressure jet. Despite intriguing scientists for centuries, the exact mechanism of seed dispersal and its effect on subsequent generations remain poorly understood.
View Article and Find Full Text PDFLaser direct lithography allows for the maskless production and alignment of nanocrystals. However, laser-induced crystal growth requires a complex process of nucleation followed by growth that takes a long time, resulting in low efficiency. Here, we used a laser explosion to pre-grow silicon seed crystals in a silicon precursor solution, simplified crystal growth and increased the lithography efficiency.
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