Functional Plant Biology最新文献_第5页

Coordination between water relations strategy and carbon investment in leaf and stem in six fruit tree species. 六种果树叶片和茎干中水分关系策略与碳投资之间的协调。

IF 2.6 4区生物学

Functional Plant Biology Pub Date : 2024-09-01 DOI: 10.1071/FP24008

Ismael Piña, Marco Garrido-Salinas, Oscar Seguel, Ismael Opazo, Carlos Faúndez-Urbina, Nicolás Verdugo-Vásquez, Emilio Villalobos-Soublett

{"title":"Coordination between water relations strategy and carbon investment in leaf and stem in six fruit tree species.","authors":"Ismael Piña, Marco Garrido-Salinas, Oscar Seguel, Ismael Opazo, Carlos Faúndez-Urbina, Nicolás Verdugo-Vásquez, Emilio Villalobos-Soublett","doi":"10.1071/FP24008","DOIUrl":"https://doi.org/10.1071/FP24008","url":null,"abstract":"The water relation strategy is a key issue in climate change. Given the difficulty of determining water relations strategy, there is a need for simple traits with a solid theoretical basis to estimate it. Traits associated with resource allocation patterns along a 'fast-slow' plant economics spectrum are particularly compelling, reflecting trade-offs between growth rate and carbon allocation. Avocado (Persea americana ), fig tree (Ficus carica ), mandarin (Citrus reticulata ), olive (Olea europaea ), pomegranate (Punica granatum ), and grapevine (Vitis vinifera ) were characterised in terms of iso-anisohydric strategy through stomatal behaviour, water potential at the turgor loss point (TLP), and hydroscape area. Additionally, the association of these metrics with leaf mass per area (LMA) and wood density (WDen) was explored. We observed high coordination between LMA and WDen, and both traits were related to metrics of water relation strategy. More anisohydric species tended to invest more carbon per unit leaf area or unit stem volume, which has implications for hydraulic efficiency and water stress tolerance. WDen and TLP were the most powerful traits in estimating the water relation strategy for six fruit species. These traits are easy to measure, time-cost efficient, and appear central to coordinating multiple traits and behaviours along the water relations strategies.","PeriodicalId":12483,"journal":{"name":"Functional Plant Biology","volume":"51 ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142119436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Augmenting the basis of lodging tolerance in wheat (Triticum aestivum) under natural and simulated conditions. 在自然和模拟条件下增强小麦（Triticum aestivum）的抗倒伏性。

IF 2.6 4区生物学

Functional Plant Biology Pub Date : 2024-09-01 DOI: 10.1071/FP24107

Rinki Khobra, Sonia Sheoran, Sindhu Sareen, Braj Kishor Meena, Arvind Kumar, Gyanendra Singh

{"title":"Augmenting the basis of lodging tolerance in wheat (Triticum aestivum) under natural and simulated conditions.","authors":"Rinki Khobra, Sonia Sheoran, Sindhu Sareen, Braj Kishor Meena, Arvind Kumar, Gyanendra Singh","doi":"10.1071/FP24107","DOIUrl":"https://doi.org/10.1071/FP24107","url":null,"abstract":"In wheat (Triticum aestivum ), canopy architecture, culm diameter and stem strength are the key providers of lodging tolerance. To better understand the lodging phenomenon and determine the best linked trait to lodging, a study of lodging resistance was conducted in both artificially-induced and natural lodging conditions. Various morphological, phenological and biochemical traits, such as acid detergent fibre, acid detergent lignin, cellulose and activity of lignin-synthesising enzymes (phenylalanine ammonia lyase and tyrosine ammonia lyase) were recorded. Anatomical features were also examined by light microscopy, using the Wiesner reaction. Genotype C306 demonstrated the highest susceptibility to lodging compared to other varieties due to its limited production of lignin-synthesising enzymes, as well as its taller plant height and narrower culms. The dwarf mutants (DM6 and DM7) have a stronger resistance against lodging because they have thick stems and a short plant canopy structure. The most suitable donors for lodging are semidwarf varieties (HD2967, DPW621-50, DBW88) because they have higher production of lignin and lignin-synthesising enzymes. Grey correlation analysis also confirmed the ability of these three genotypes to tolerate lodging. The genotypes studied were comprehensively ranked. The study also includes an effort towards the standardisation of lodging methodology under artificial conditions.","PeriodicalId":12483,"journal":{"name":"Functional Plant Biology","volume":"51 ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142139818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Identification of WRKY transcription factors in Rosa chinensis and analysis of their expression response to alkali stress response. 鉴定栝楼中的 WRKY 转录因子并分析其对碱胁迫反应的表达响应。

IF 2.6 4区生物学

Functional Plant Biology Pub Date : 2024-09-01 DOI: 10.1071/FP23077

Changbing Huang, Wenhui Cheng, Yu Feng, Tongyu Zhang, Taotao Yan, Zhengzhi Jiang, Peilei Cheng

{"title":"Identification of WRKY transcription factors in Rosa chinensis and analysis of their expression response to alkali stress response.","authors":"Changbing Huang, Wenhui Cheng, Yu Feng, Tongyu Zhang, Taotao Yan, Zhengzhi Jiang, Peilei Cheng","doi":"10.1071/FP23077","DOIUrl":"https://doi.org/10.1071/FP23077","url":null,"abstract":"Breeding abiotic stress-tolerant varieties of Rosa chinensis is a paramount goal in horticulture. WRKY transcription factors, pivotal in plant responses to diverse stressors, offer potential targets for enhancing stress resilience in R. chinensis . Using bioinformatics and genomic data, we identified RcWRKY transcription factor genes, characterised their chromosomal distribution, phylogenetic relationships, structural attributes, collinearity, and expression patterns in response to saline stress. Leveraging bidirectional database searches, we pinpointed 66 RcWRKY genes, categorised into three groups. All except RcWRKY60 encoded DNA Binding Domain and Zinc Finger Motif regions of the WRKY domain. Expansion of the RcWRKY gene family was propelled by 19 segmental, and 2 tandem, duplications. We unveiled 41 and 15 RcWRKY genes corresponding to 50 AtWRKY and 17 OsWRKY orthologs respectively, indicating postdivergence expansion. Expression analyses under alkaline stress pinpointed significant alterations in 54 RcWRKY genes. Integration of functional roles from their Arabidopsis orthologs and cis -acting elements within their promoters, along with quantitative reverse transcription PCR validation, underscored the importance of RcWRKY27 and 29 in R. chinensis ' alkaline stress response. These findings offer insights into the biological roles of RcWRKY transcription factors, as well as the regulatory dynamics governing R. chinensis ' growth, development, and stress resilience.","PeriodicalId":12483,"journal":{"name":"Functional Plant Biology","volume":"51 ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142283320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Specific physiological responses to alkaline carbonate stress in rice (Oryza sativa) seedlings: organic acid metabolism and hormone signalling. 水稻（Oryza sativa）幼苗对碱性碳酸盐胁迫的特殊生理反应：有机酸代谢和激素信号。

IF 2.6 4区生物学

Functional Plant Biology Pub Date : 2024-09-01 DOI: 10.1071/FP23161

Dan Wang, Miao Xu, Teng-Yuan Xu, Xiu-Yun Lin, Elshan Musazade, Jing-Mei Lu, Wei-Jie Yue, Li-Quan Guo, Yu Zhang

{"title":"Specific physiological responses to alkaline carbonate stress in rice (Oryza sativa) seedlings: organic acid metabolism and hormone signalling.","authors":"Dan Wang, Miao Xu, Teng-Yuan Xu, Xiu-Yun Lin, Elshan Musazade, Jing-Mei Lu, Wei-Jie Yue, Li-Quan Guo, Yu Zhang","doi":"10.1071/FP23161","DOIUrl":"https://doi.org/10.1071/FP23161","url":null,"abstract":"In recent years, alkaline soda soil has stimulated numerous biological research on plants under carbonate stress. Here, we explored the difference in physiological regulation of rice seedlings between saline (NaCl) and alkaline carbonate (NaHCO3 and Na2 CO3 ) stress. The rice seedlings were treated with 40mM NaCl, 40mM NaHCO3 and 20mM Na2 CO3 for 2h, 12h, 24h and 36h, their physiological characteristics were determined, and organic acid biosynthesis and metabolism and hormone signalling were identified by transcriptome analysis. The results showed that alkaline stress caused greater damage to their photosynthetic and antioxidant systems and led to greater accumulation of organic acid, membrane damage, proline and soluble sugar but a decreased jasmonic acid content compared with NaCl stress. Jasmonate ZIM-Domain (JAZ), the probable indole-3-acetic acid-amido synthetase GH3s, and the protein phosphatase type 2Cs that related to the hormone signalling pathway especially changed under Na2 CO3 stress. Further, the organic acid biosynthesis and metabolism process in rice seedlings were modified by both Na2 CO3 and NaHCO3 stresses through the glycolate/glyoxylate and pyruvate metabolism pathways. Collectively, this study provides valuable evidence on carbonate-responsive genes and insights into the different molecular mechanisms of saline and alkaline stresses.","PeriodicalId":12483,"journal":{"name":"Functional Plant Biology","volume":"51 ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142283322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Genome editing for improvement of biotic and abiotic stress tolerance in cereals. 通过基因组编辑提高谷物的生物和非生物胁迫耐受性。

IF 2.6 4区生物学

Functional Plant Biology Pub Date : 2024-09-01 DOI: 10.1071/FP24092

Safeena Inam, Amna Muhammad, Samra Irum, Nazia Rehman, Aamir Riaz, Muhammad Uzair, Muhammad Ramzan Khan

{"title":"Genome editing for improvement of biotic and abiotic stress tolerance in cereals.","authors":"Safeena Inam, Amna Muhammad, Samra Irum, Nazia Rehman, Aamir Riaz, Muhammad Uzair, Muhammad Ramzan Khan","doi":"10.1071/FP24092","DOIUrl":"https://doi.org/10.1071/FP24092","url":null,"abstract":"Global agricultural production must quadruple by 2050 to fulfil the needs of a growing global population, but climate change exacerbates the difficulty. Cereals are a very important source of food for the world population. Improved cultivars are needed, with better resistance to abiotic stresses like drought, salt, and increasing temperatures, and resilience to biotic stressors like bacterial and fungal infections, and pest infestation. A popular, versatile, and helpful method for functional genomics and crop improvement is genome editing. Rapidly developing genome editing techniques including clustered regularly interspaced short palindromic repeats (CRISPR) and CRISPR-associated protein (Cas) are very important. This review focuses on how CRISPR/Cas9 genome editing might enhance cereals' agronomic qualities in the face of climate change, providing important insights for future applications. Genome editing efforts should focus on improving characteristics that confer tolerance to conditions exacerbated by climate change (e.g. drought, salt, rising temperatures). Improved water usage efficiency, salt tolerance, and heat stress resilience are all desirable characteristics. Cultivars that are more resilient to insect infestations and a wide range of biotic stressors, such as bacterial and fungal diseases, should be created. Genome editing can precisely target genes linked to disease resistance pathways to strengthen cereals' natural defensive systems.","PeriodicalId":12483,"journal":{"name":"Functional Plant Biology","volume":"51 ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142119437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Saltbush seedlings (Atriplex spp.) shed border-like cells from closed-type root apical meristems. 盐肤木幼苗（Atriplex spp.）

IF 2.6 4区生物学

Functional Plant Biology Pub Date : 2024-09-01 DOI: 10.1071/FP24178

Alison R Gill, Rachel A Burton

{"title":"Saltbush seedlings (Atriplex spp.) shed border-like cells from closed-type root apical meristems.","authors":"Alison R Gill, Rachel A Burton","doi":"10.1071/FP24178","DOIUrl":"https://doi.org/10.1071/FP24178","url":null,"abstract":"Australian saltbush (Atriplex spp.) survive in exceptionally saline environments and are often used for pasture in semi-arid areas. To investigate the impact of salinity on saltbush root morphology and root exudates, three Australian native saltbush species (Atriplex nummularia , Atriplex amnicola , and Atriplex vesicaria ) were grown in vitro in optimised sterile, semi-hydroponic systems in media supplemented with different concentrations of salt (NaCl). Histological stains and chromatographic techniques were used to characterise the root apical meristem (RAM) type and root exudate composition of the saltbush seedlings. We report that saltbush species have closed-type RAMs, which release border-like cells (BLCs). Monosaccharide content, including glucose and fructose, in the root mucilage of saltbush was found to be uniquely low, suggesting that saltbush may minimise carbon release in polysaccharides of root exudates. Root mucilage also contained notable levels of salt, plus increasing levels of unidentified compounds at peak salinity. Un-esterified homogalacturonan, xyloglucan, and arabinogalactan proteins between and on the surface of BLCs may aid intercellular adhesion. At the highest salinity levels, root cap morphology was altered but root:shoot ratio remained consistent. While questions remain about the identity of some components in saltbush root mucilage other than the key monosaccharides, this new information about root cap morphology and cell surface polysaccharides provides avenues for future research.","PeriodicalId":12483,"journal":{"name":"Functional Plant Biology","volume":"51 ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142283321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigating the combined effects of β-sitosterol and biochar on nutritional value and drought tolerance in Phaseolus vulgaris under drought stress. 研究β-谷甾醇和生物炭对干旱胁迫下黄花菜营养价值和抗旱性的综合影响

IF 2.6 4区生物学

Functional Plant Biology Pub Date : 2024-09-01 DOI: 10.1071/FP24023

Marwa A Fakhr, Abdelghafar M Abu-Elsaoud, Khadiga Alharbi, Muhammad Zia-Ur-Rehman, Muhammad Usman, Mona H Soliman

{"title":"Investigating the combined effects of β-sitosterol and biochar on nutritional value and drought tolerance in Phaseolus vulgaris under drought stress.","authors":"Marwa A Fakhr, Abdelghafar M Abu-Elsaoud, Khadiga Alharbi, Muhammad Zia-Ur-Rehman, Muhammad Usman, Mona H Soliman","doi":"10.1071/FP24023","DOIUrl":"https://doi.org/10.1071/FP24023","url":null,"abstract":"Climate change-induced drought stress decreases crop productivity, but the application of β-sitosterol (BS) and biochar (BC) boosts crop growth and yield. A pot experiment was conducted to examine the effects of the alone and combined application of BS and BC on the growth and yield of Phaseolus vulgaris under drought stress. The synergistic application of BS and BC increased plant height (46.9cm), shoot dry weight (6.9g/pot), and root dry weight (2.5g/pot) of P. vulgaris plants under drought stress. The trend of applied treatments for photosynthetic rate remained as BC (15%)<BS (28%)<BC+BS (32%), compared to drought-stressed control. Similarly, the trend of applied treatments for water use efficiency was BS<BC<BC+BS, compared to drought stress control. The levels of malondialdehyde and hydrogen peroxide were reduced by the combined application of BS and BC under drought stress, measuring at 22.8 and 66.4μmol/gfresh weight, respectively. The combined use of BS and BC significantly alleviated drought stress more than when applied individually. Thus, employing BS and BC together as key agents in drought-stressed common bean plants could promote resilience, fostering growth amid ongoing climate change.","PeriodicalId":12483,"journal":{"name":"Functional Plant Biology","volume":"51 ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142119438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Unveiling the hidden reserves: allocation strategies associated with underground organs of Cerrado legumes in fire-prone savannas. 揭开隐藏储量的面纱：与易受火灾影响的热带稀树草原中瑟拉多豆科植物地下器官相关的分配策略。

IF 2.6 4区生物学

Functional Plant Biology Pub Date : 2024-08-01 DOI: 10.1071/FP24104

Bruno Bonadio Cozin, Tassia Caroline Ferreira, L Felipe Daibes, Isabella Fiorini de Carvalho, Beatriz Silvério Dos Santos, Roberta Possas de Souza, Liliane Santos de Camargos, Aline Redondo Martins

{"title":"Unveiling the hidden reserves: allocation strategies associated with underground organs of Cerrado legumes in fire-prone savannas.","authors":"Bruno Bonadio Cozin, Tassia Caroline Ferreira, L Felipe Daibes, Isabella Fiorini de Carvalho, Beatriz Silvério Dos Santos, Roberta Possas de Souza, Liliane Santos de Camargos, Aline Redondo Martins","doi":"10.1071/FP24104","DOIUrl":"https://doi.org/10.1071/FP24104","url":null,"abstract":"The synthesis and differential allocation of reserve compounds is an important adaptive mechanism that enables species to resprout in fire-prone ecosystems. The analysis of compound allocation dynamics (differential accumulation of compounds between plant organs) provides insights into plant responses to disturbances. The aim was to quantify reserves in eight legume species from Cerrado open savannas with high fire frequency in order to investigate the patterns of allocation and distribution of compounds between leaves and underground organs, drawing ecophysiological inferences. The species were collected in 'campo sujo' areas of the Cerrado. Leaves and underground organs (xylopodium, taproot tubers) were subjected to physiological analyses. Overall, underground organs were characterised by greater deposits of carbohydrates, mainly soluble sugars, and also with the accumulation of proteins and amino acids. This suggests that nitrogen reserves, as well as carbohydrates, may have an ecophysiological function in response to fire, being allocated to the underground organs. Phenols were mainly evident in leaves, but a morphophysiological pattern was identified, where the two species with taproot tubers tended to concentrate more phenols in the underground portion compared to species with xylopodium, possibly due to functional differences between these organs. Such data allow inferring relevant ecophysiological dynamics in legumes from open savannas.","PeriodicalId":12483,"journal":{"name":"Functional Plant Biology","volume":"51 ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142008645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Biochemical and physiological time-of-day variations in early-development phase of Agave mapisaga and Agave salmiana. 龙舌兰（Agave mapisaga）和龙舌兰（Agave salmiana）早期发育阶段的生化和生理日时变化。

IF 2.6 4区生物学

Functional Plant Biology Pub Date : 2024-08-01 DOI: 10.1071/FP23244

Jesus A Jiménez-Torres, Cecilia B Peña-Valdivia, Baruch Arroyo, Daniel Padilla-Chacón, Rodolfo García

{"title":"Biochemical and physiological time-of-day variations in early-development phase of Agave mapisaga and Agave salmiana.","authors":"Jesus A Jiménez-Torres, Cecilia B Peña-Valdivia, Baruch Arroyo, Daniel Padilla-Chacón, Rodolfo García","doi":"10.1071/FP23244","DOIUrl":"https://doi.org/10.1071/FP23244","url":null,"abstract":"This research assesses the aboveground matter accumulation and Fv/Fm ratios (maximum quantum efficiency of PSII) in young plants (5months old) of Agave mapisaga and Agave salmiana grown under greenhouse conditions. This study also evaluated changes in the relative abundance of several different metabolites (sugars, free amino acids, and soluble phenols) during the major daily phases (I, III, and IV) of Crassulacean acid metabolism (CAM). These two species were also investigated to determine if differences in these parameters were evident with respect to their geographical origins (i.e. Metepec, Tlajomulco, and Tlaxiaca, in the state of Hidalgo, Mexico). Differences in shoot mass (0.51-0.82g plant-1 ), water content (75-93%), fructose (4-27μmolg-1 ), glucose (57-73μmolg-1 ), sucrose (10-30μmolg-1 ), free amino acids (5-25μmolg-1 ), soluble phenolics (0.7-3.5μmolg-1 ), and Fv/Fm ratios (0.75-0.80) were evident between plants with different origins. Specifically, at the end of Phase I compared to Phase IV, the results showed significant reductions in dry matter (up to 3.3%) and also reductions in fructose/sucrose. Relative amino acid concentrations were lowest in Phase III (8.8μmolg-1 ) compared to Phase I (16μmolg-1 ). These are novel observations, since all these changes and the biochemical and physiological performance in the CAM phases have not been previously determined in Agave plants differing in their geographical origins.","PeriodicalId":12483,"journal":{"name":"Functional Plant Biology","volume":"51 ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142106224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Canola (Brassica napus) enhances sodium chloride and sodium ion tolerance by maintaining ion homeostasis, higher antioxidant enzyme activity and photosynthetic capacity fluorescence parameters. 油菜籽（甘蓝）通过维持离子平衡、提高抗氧化酶活性和光合能力荧光参数，增强了对氯化钠和钠离子的耐受性。

IF 2.6 4区生物学

Functional Plant Biology Pub Date : 2024-08-01 DOI: 10.1071/FP23089

Lupeng Sun, Xiaoqiang Cao, Juncan Du, Yan Wang, Fenghua Zhang

{"title":"Canola (Brassica napus) enhances sodium chloride and sodium ion tolerance by maintaining ion homeostasis, higher antioxidant enzyme activity and photosynthetic capacity fluorescence parameters.","authors":"Lupeng Sun, Xiaoqiang Cao, Juncan Du, Yan Wang, Fenghua Zhang","doi":"10.1071/FP23089","DOIUrl":"https://doi.org/10.1071/FP23089","url":null,"abstract":"Under salt stress, plants are forced to take up and accumulate large amounts of sodium (Na+ ) and chloride (Cl- ). Although most studies have focused on the toxic effects of Na+ on plants, Cl- stress is also very important. This study aimed to clarify physiological mechanisms underpinning growth contrasts in canola varieties with different salt tolerance. In hydroponic experiments, 150mM Na+ , Cl- and NaCl were applied to salt-tolerant and sensitive canola varieties. Both NaCl and Na+ treatments inhibited seedling growth. NaCl caused the strongest damage to both canola varieties, and stress damage was more severe at high concentrations of Na+ than Cl- . High Cl- promoted the uptake of ions (potassium K+ , calcium Ca2+ ) and induced antioxidant defence. Salt-tolerant varieties were able to mitigate ion toxicity by maintaining lower Na+ content in the root system for a short period of time, and elevating magnesium Mg2+ content, Mg2+ /Na+ ratio, and antioxidant enzyme activity to improve photosynthetic capacity. They subsequently re-established new K+ /Na+ and Ca2+ /Na+ balances to improve their salt tolerance. High concentrations of Cl salts caused less damage to seedlings than NaCl and Na salts, and Cl- also had a positive role in inducing oxidative stress and responsive antioxidant defence in the short term.","PeriodicalId":12483,"journal":{"name":"Functional Plant Biology","volume":"51 ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141874572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0