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Published By Springer-Verlag

1432-2048, 0032-0935

Planta ◽  
2022 ◽  
Vol 255 (2) ◽  
Author(s):  
Maximilian Boinot ◽  
Esra Karakas ◽  
Karin Koehl ◽  
Majken Pagter ◽  
Ellen Zuther

Abstract Main conclusion Higher acclimated freezing tolerance improved winter survival, but reduced reproductive fitness of Arabidopsis thaliana accessions under field and controlled conditions. Abstract Low temperature is one of the most important abiotic factors influencing plant fitness and geographical distribution. In addition, cold stress is known to influence crop yield and is therefore of great economic importance. Increased freezing tolerance can be acquired by the process of cold acclimation, but this may be associated with a fitness cost. To assess the influence of cold stress on the fitness of plants, long-term field trials over 5 years were performed with six natural accessions of Arabidopsis thaliana ranging from very tolerant to very sensitive to freezing. Fitness parameters, as seed yield and 1000 seed mass, were measured and correlation analyses with temperature and freezing tolerance data performed. The results were compared with fitness parameters from controlled chamber experiments over 3 years with application of cold priming and triggering conditions. Winter survival and seed yield per plant were positively correlated with temperature in field experiments. In addition, winter survival and 1000 seed mass were correlated with the cold-acclimated freezing tolerance of the selected Arabidopsis accessions. The results provide strong evidence for a trade-off between higher freezing tolerance and reproductive fitness in A. thaliana, which might have ecological impacts in the context of global warming.


Planta ◽  
2022 ◽  
Vol 255 (2) ◽  
Author(s):  
Camille Carey ◽  
J. Scott Armstrong ◽  
Chad Hayes ◽  
W. Wyatt Hoback ◽  
Ali Zarrabi

Planta ◽  
2022 ◽  
Vol 255 (2) ◽  
Author(s):  
Nicholas Gladman ◽  
Andrew Olson ◽  
Sharon Wei ◽  
Kapeel Chougule ◽  
Zhenyuan Lu ◽  
...  

Abstract Main conclusion SorghumBase provides a community portal that integrates genetic, genomic, and breeding resources for sorghum germplasm improvement. Abstract Public research and development in agriculture rely on proper data and resource sharing within stakeholder communities. For plant breeders, agronomists, molecular biologists, geneticists, and bioinformaticians, centralizing desirable data into a user-friendly hub for crop systems is essential for successful collaborations and breakthroughs in germplasm development. Here, we present the SorghumBase web portal (https://www.sorghumbase.org), a resource for the sorghum research community. SorghumBase hosts a wide range of sorghum genomic information in a modular framework, built with open-source software, to provide a sustainable platform. This initial release of SorghumBase includes: (1) five sorghum reference genome assemblies in a pan-genome browser; (2) genetic variant information for natural diversity panels and ethyl methanesulfonate (EMS)-induced mutant populations; (3) search interface and integrated views of various data types; (4) links supporting interconnectivity with other repositories including genebank, QTL, and gene expression databases; and (5) a content management system to support access to community news and training materials. SorghumBase offers sorghum investigators improved data collation and access that will facilitate the growth of a robust research community to support genomics-assisted breeding.


Planta ◽  
2022 ◽  
Vol 255 (2) ◽  
Author(s):  
Alexander G. Ivanov ◽  
Marianna Krol ◽  
Leonid V. Savitch ◽  
Beth Szyszka-Mroz ◽  
Jessica Roche ◽  
...  

Planta ◽  
2022 ◽  
Vol 255 (2) ◽  
Author(s):  
Zhi Wang ◽  
Hong Cao ◽  
Cun Zhang ◽  
Fengying Chen ◽  
Yongxiu Liu

Planta ◽  
2022 ◽  
Vol 255 (2) ◽  
Author(s):  
Xiao Li ◽  
Mengyao Liu ◽  
Yuhan Liu ◽  
Wenyuan Zhao ◽  
Sipeng Li ◽  
...  

Planta ◽  
2022 ◽  
Vol 255 (2) ◽  
Author(s):  
Sombir Rao ◽  
Jaishri Rubina Das ◽  
Sonia Balyan ◽  
Radhika Verma ◽  
Saloni Mathur

Planta ◽  
2022 ◽  
Vol 255 (2) ◽  
Author(s):  
Laurence Tousignant ◽  
Aracely Maribel Diaz-Garza ◽  
Bharat Bhusan Majhi ◽  
Sarah-Eve Gélinas ◽  
Aparna Singh ◽  
...  

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