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19 results for “plant acclimation”
Acclimation of thermal tolerance in juvenile plants from three biomes is supressed when extremes co-occur
<p>Given the rising frequency of thermal extremes (heatwaves and cold snaps) due to climate change, comprehending how a plant's origin affects its thermal tolerance breadth becomes vital. We studied juvenile plants from three biomes: temperate coastal rainforest, desert, and alpine. In controlled settings, plants underwent hot days and cold nights in a factorial design to examine thermal tolerance acclimation. We assessed thermal thresholds (<em>T</em><sub>crit-hot</sub> and <em>T</em><sub>crit-cold</sub>) and thermal tolerance breadth (TTB). We hypothesised that: 1) desert species would show the highest heat tolerance, alpine the greatest cold tolerance, with temperate species intermediate; 2) all species would increase heat tolerance post hot days and cold tolerance after cold nights; 3) combined exposure would broaden TTB more than individual conditions, especially in desert and alpine species. We found that biome responses were minor compared to the responses to the extreme temperature treatments. All plants increased thermal tolerance in response to hot 40°C days (<em>T</em><sub>crit-hot</sub> increased by ~3.5°C) but there was minimal change in <em>T</em><sub>crit-cold</sub> in response to the cold -2°C nights. In contrast, when exposed to both hot days and cold nights, on average plants exhibited an antagonistic response in TTB, where cold tolerance decreased and heat tolerance was reduced, and so we did not see the bi-directional expansion we hypothesised. There was, however, considerable variation among species in these responses. As climate change intensifies, plant communities, especially in transitional seasons, will regularly face such temperature swings. Our results shed light on potential plant responses under these extremes, emphasizing the need for deeper species-specific thermal acclimation insights, ultimately guiding conservation efforts.</p>
Acclimation of thermal tolerance in juvenile plants from three biomes is suppressed when extremes co-occur
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Innate preference hierarchies coupled with adult experience, rather than larval imprinting or transgenerational acclimation, determine host plant use in Pieris rapae
The evolution of host range drives diversification in phytophagous insects, and understanding the female oviposition choices is pivotal for understanding host specialization. One controversial mechanism for female host choice is Hopkins' host selection principle, where females are predicted to increase their preference for the host species they were feeding upon as larvae. A recent hypothesis posits that such larval imprinting is especially adaptive in combination with anticipatory transgenerational acclimation, so that females both allocate and adapt their offspring to their future host. We study the butterfly <i>Pieris rapae</i>, for which previous evidence suggests that females prefer to oviposit on host individuals of similar nitrogen content as the plant they were feeding upon as larvae, and where the offspring show higher performance on the mother's host type. We test the hypothesis that larval experience and anticipatory transgenerational effects influence female host plant acceptance (no-choice) and preference (choice) of two host plant species (<i>Barbarea vulgaris</i> and <i>Berteroa incana</i>) of varying nitrogen content. We then test the offspring performance on these hosts. We found no evidence of larval imprinting affecting female decision-making during oviposition, but that an adult female experience of egg laying in no-choice trials on the less-preferred host <i>Be. incana</i> slightly increased the <i>P. rapae</i> propensity to oviposit on <i>Be. incana</i> in subsequent choice trials. We found no transgenerational effects on female host acceptance or preference, but negative transgenerational effects on larval performance, because the offspring of <i>P. rapae</i> females that had developed on<i> Be. incana</i> as larvae grew slower on both hosts, and especially on <i>Be. incana</i>. Our results suggest that among host-species preferences are guided by hard-wired preference hierarchies linked to species-specific host traits and less affected by larval experience or transgenerational effects, which may be more important for females evaluating different host individuals of the same species.
Plant pathogen-mediated rapid acclimation of a host-specialized aphid to a non-host plant
<p>Polyphagous aphids often consist of host-specialized lineages which have greater fitness on their native hosts than on others. The underlying causes are important for understanding of the evolution of diet breadth and host shift of aphids. The cotton-melon aphid Aphis gossypii Glover is extremely polyphagous with many strict host-specialized lineages. Whether and how the lineage specialized on the primary host hibiscus shifts to the secondary host cucumber remains elusive. We found that the hibiscus-specialized lineage suffered high mortality and gave birth to very few nymphs developing into yellow dwarfs on fresh cucumber leaves, and did not inflict any damage symptoms on cucumber plants. The poor performance did not improve with prolonged exposure to cucumber; however, it did significantly improve when the cucumber leaves were pre-infected with a biotrophic phytopathogen Pseudoperonospora cubensis. More importantly, the hibiscus-specialized lineage with two-generation feeding experience on pre-infected cucumber leaves performed as well as the cucumber-specialized lineage did on fresh cucumber leaves, and inflicted typical damage symptoms on intact cucumber plants. Electrical penetration graph (EPG) indicated that the hibiscus-specialized lineage did not ingest phloem sap from fresh cucumber leaves but succeeded in ingesting phloem sap from pre-infected cucumber leaves, which explained the performance improvement of the hibiscus-specialized lineage on pre-infected cucumber leaves. This study revealed a new pathway for the hibiscus-specialized lineage to quickly acclimate to cucumber under the assistance of the phytopathogen. We considered that the short feeding experience on pre-infected cucumber may activate expression of effector genes that are related to specific host utilization. We suggest to identify host-specific effectors by comparing proteomes or/and transcriptomes of the hibiscus-specialized lineage before and after acclimating to cucumber.</p>
Innate preference hierarchies coupled with adult experience, rather than larval imprinting or transgenerational acclimation, determine host plant use in Pieris rapae
Open the record for dataset details and reuse information.
Plant pathogen-mediated rapid acclimation of a host-specialized aphid to a non-host plant
Open the record for dataset details and reuse information.
The acclimation of Chlamydomonas reinhardtii to anaerobiosis involves plant and animal strategies
GEO Series GSE42035. Chlamydomonas reinhardtii. 12 samples. Type: Expression profiling by high throughput sequencing.
An RNA-Seq Transcriptome Analysis of Orthophosphate-Deficient White Lupin Reveals Novel Insights into Phosphorus Acclimation in Plants
GEO Series GSE31132. Lupinus albus. 12 samples. Type: Expression profiling by high throughput sequencing.
Tomato plants increase their tolerance to low temperatures in a chilling acclimation process entailing comprehensive transcriptional and metabolic adjustments
GEO Series GSE78154. Solanum lycopersicum. 4 samples. Type: Expression profiling by high throughput sequencing.
DNA methylation contributes to plant acclimation to naturally fluctuating light (WGBS)
GEO Series GSE261532. Arabidopsis thaliana. 4 samples. Type: Methylation profiling by high throughput sequencing.
DNA methylation contributes to plant acclimation to naturally fluctuating light (RNA-Seq)
GEO Series GSE261531. Arabidopsis thaliana. 12 samples. Type: Expression profiling by high throughput sequencing.
MYB30 orchestras ROS wave-triggered systemic transcriptomic responses and plant acclimation in Arabidopsis
GEO Series GSE141916. Arabidopsis thaliana. 48 samples. Type: Expression profiling by high throughput sequencing.
Gene expression changes in response to drought stress in Arabidopsis reveal early responses leading to acclimation in plant growth
GEO Series GSE24177. Arabidopsis thaliana. 12 samples. Type: Expression profiling by array.
DNA methylation contributes to plant acclimation to naturally fluctuating light
GEO Series GSE261533. Arabidopsis thaliana. 16 samples. Type: Expression profiling by high throughput sequencing; Methylation profiling by high throughput sequencing.
ABA is required for plant acclimation to a combination of salt and heat stress
GEO Series GSE72806. Arabidopsis thaliana. 12 samples. Type: Expression profiling by high throughput sequencing.
Transcriptional read-through of the long non-coding RNA SVALKA governs plant cold acclimation
GEO Series GSE119304. Arabidopsis thaliana. 4 samples. Type: Other.
Comparison of transcript profiles of acclimated and de-acclimated Arabidopsis plants to high light, cold and heat.
GEO Series GSE125950. Arabidopsis thaliana. 102 samples. Type: Expression profiling by high throughput sequencing.
Identification and Differential Expression of MicroRNAs during Cold Acclimation of the Tea Plant (Camellia sinensis) by Deep Sequencing
GEO Series GSE63760. Camellia sinensis. 2 samples. Type: Non-coding RNA profiling by high throughput sequencing.
Oryza sativa ssp. japonica (Kitaake) stressed by cold stress (5°C, 24 h) targeted to leaves (C-L), roots (C-R) or the whole plant (C), and exposed to previous acclimation (15°C, 12 h)
GEO Series GSE246145. Oryza sativa. 46 samples. Type: Expression profiling by high throughput sequencing.
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