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As our climate changes and soil salinity increases in many agricultural areas, finding crops that can thrive in these challenging conditions is crucial. Cultivated tomatoes, while delicious, often struggle in salty soils. Their wild cousins, however, have evolved to survive in diverse and often harsh environments. A recent study delved into the genetic treasure trove of wild tomatoes to uncover secrets of salt tolerance that could be used to develop resilient crop varieties.<\/p>\n
A team of researchers focused on Solanum pimpinellifolium<\/em>, the closest wild relative of our beloved cultivated tomato. These tiny, cherry-sized fruits might not look impressive, but they pack a punch when it comes to genetic diversity and stress resistance.<\/p>\n The team began by exposing the wild tomatoes to varying levels of salt stress. Then, they used high-throughput phenotyping techniques in both greenhouse and field conditions to uncover extensive variations in how these plants responded to the salty conditions.<\/p>\n \u201cOne of the study\u2019s most intriguing findings was that a plant\u2019s overall vigor \u2013 its ability to grow quickly and robustly \u2013 played a significant role in its salt tolerance. This suggests that breeding healthier, more vigorous plants could indirectly improve their ability to withstand salt stress,\u201d said Magda Julkowska<\/u><\/a>, an assistant professor at the Boyce Thompson Institute<\/u><\/a> and lead author of the study, which was recently published in The Plant Journal<\/u><\/em><\/a>.<\/p>\n The researchers found that traits such as transpiration rate (the amount of water vapor a plant loses through its leaves), shoot mass (the weight of the plant’s above-ground parts), and ion accumulation (the build-up of ions, such as sodium and potassium, within plant tissues) showed significant correlations with plant performance under salt stress. Interestingly, while transpiration rate was a key determinant of plant performance in the greenhouse, shoot mass strongly correlated with yield under field conditions.<\/p>\n \u201cWe were surprised to find that the amount of salt the plants accumulated in their leaves wasn\u2019t as important to their overall performance as previously thought,\u201d said Julkowska. \u201cThis challenges some existing ideas about how plants cope with salt stress and opens up new avenues for research.\u201d<\/p>\n One of the most exciting findings was the identification of candidate genes not previously associated with salt stress tolerance. Julkowska added, “These specific genotypes can be used as allele donors for further improving crop performance and developing more sustainable agriculture.”<\/p>\n The study contributes to a better understanding of salt stress tolerance in wild tomato species and lays the groundwork for further investigations into the genetic basis of these traits. The findings can inform breeding efforts for salinity tolerance in tomatoes and other crops. This could lead to expanded growing regions, more stable yields in the face of changing climates, and potentially tomatoes that require less water and fewer resources to cultivate.<\/p>\n While we might not see salt-loving tomatoes on supermarket shelves anytime soon, this research is a significant step toward creating a more resilient and sustainable food system. It’s a powerful reminder that sometimes, the solutions to our most pressing agricultural challenges might be found in the wild relatives of the plants we already know and love.<\/p>\n This research was funded in part by the King Abdullah University of Science and Technology and the Australian Government under the National Collaborative Research Infrastructure Strategy (NCRIS).<\/p>\n About the Boyce Thompson Institute (BTI)<\/strong> The Plant Journal<\/p>\n<\/p><\/div>\n 10.1111\/tpj.16894 <\/i><\/a><\/p>\n<\/p><\/div>\n Experimental study<\/p>\n<\/p><\/div>\n Cells<\/p>\n<\/p><\/div>\n Deciphering salt stress responses in Solanum pimpinellifolium through high-throughput phenotyping<\/p>\n<\/p><\/div>\n 6-Jul-2024<\/p>\n<\/p><\/div>\n The authors declare no conflicts of interest.<\/p>\n<\/p><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":" As our climate changes and soil salinity increases in many agricultural areas, finding crops that can thrive in these challenging conditions is crucial. Cultivated tomatoes, while delicious, often struggle in salty soils. Their wild cousins, however, have evolved to survive in diverse and often harsh environments. A recent study delved into the genetic treasure trove […]<\/p>\n","protected":false},"author":1,"featured_media":16874,"comment_status":"","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"jnews-multi-image_gallery":[],"jnews_single_post":[],"jnews_primary_category":[],"jnews_social_meta":[],"jnews_override_counter":[],"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[131],"tags":[],"class_list":["post-16873","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agriculture"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/scienmag.com\/wp-content\/uploads\/2024\/08\/Unlocking-the-secrets-of-salt-stress-tolerance-in-wild-tomatoes.png","jetpack_likes_enabled":false,"_links":{"self":[{"href":"https:\/\/scienmag.com\/wp-json\/wp\/v2\/posts\/16873","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scienmag.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/scienmag.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/scienmag.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/scienmag.com\/wp-json\/wp\/v2\/comments?post=16873"}],"version-history":[{"count":0,"href":"https:\/\/scienmag.com\/wp-json\/wp\/v2\/posts\/16873\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/scienmag.com\/wp-json\/wp\/v2\/media\/16874"}],"wp:attachment":[{"href":"https:\/\/scienmag.com\/wp-json\/wp\/v2\/media?parent=16873"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/scienmag.com\/wp-json\/wp\/v2\/categories?post=16873"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/scienmag.com\/wp-json\/wp\/v2\/tags?post=16873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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\nFounded in 1924 and located in Ithaca, New York, BTI is at the forefront of plant science research. Our mission is to advance, communicate, and leverage pioneering discoveries in plant sciences to develop sustainable and resilient agriculture, improve food security, protect the environment, and enhance human health. As an independent nonprofit research institute affiliated with Cornell University, we are committed to inspiring and training the next generation of scientific leaders. Learn more at\u00a0BTIscience.org<\/a>.<\/p>\n
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