ArticlePloS one2015
Alternative Strategies in Response to Saline Stress in Two Varieties of Portulaca oleracea (Purslane).
Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 36 citations in OpenAlex.
- Integrated metabolome and transcriptome analysis provides insights into anthocyanin biosynthesis in Portulaca oleracea.BMC plant biology · 2025Article
- Bioactivity and Compound Identification in Extracts from Three Australian Populations ofMolecules (Basel, Switzerland) · 2025Article
- Impact of salinity on the morpho-biochemical traits of hydroponically cultivatedBiotechnologia · 2025Article
- Growth, Physiology and Nutritional Quality of CPlants (Basel, Switzerland) · 2023Article
- Salinity Stress Affects Photosynthesis, Malondialdehyde Formation, and Proline Content inPlants (Basel, Switzerland) · 2021Article
- Single-Molecule Long-Read Sequencing of Purslane (Plants (Basel, Switzerland) · 2021Article
- Production of Betacyanins in TransgenicFrontiers in plant science · 2021Article
- High Salinity Reduces Plant Growth and Photosynthetic Performance but Enhances Certain Nutritional Quality of CFrontiers in plant science · 2021Article
- Responses to Salt Stress inPlants (Basel, Switzerland) · 2020Article
- A Pharmacological Review onJournal of pharmacopuncture · 2019Review
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purslane (Portulaca oleracea) is a globally-distributed plant with a long history of use in folk medicine and cooking. We have developed purslane as a model system for exploring plant responses to stress. We exposed two varieties of purslane to saline stress with the objective of identifying differences between the varieties in the plasticity of morphological and physiological traits. The varieties responded to saline stress with significantly different changes in the measured traits, which included inter alia biomass, flower counts, proline concentrations and betalain pigment concentrations. The alternative responses of the two varieties consisted of complex, simultaneous changes in multiple traits. In particular, we observed that while both varieties increased production of betalain pigments and proline under saline stress, one variety invested more in betalain pigments while the other invested more in proline. Proline and betalain pigments undoubtedly play multiple roles in plant tissues, but in this case their role as antioxidants deployed to ameliorate saline stress appears to be important. Taken holistically, our results suggest that the two varieties employ different strategies in allocating resources to cope with saline stress. This conclusion establishes purslane as a suitable model system for the study of saline stress and the molecular basis for differential responses.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.