Journal of Plant Research最新文献_第3页

Tetracentron (Trochodendraceae) in the Paleocene and Miocene of western North America. 北美西部古新世和中新世的四棱蕨。

IF 2.7 3区生物学

Journal of Plant Research Pub Date : 2025-04-28 DOI: 10.1007/s10265-025-01636-6

Steven R Manchester

引用次数: 0

Aeluropus lagopoides: an important halophyte with key physiological and molecular mechanisms for salinity tolerance and a unique genetic resource for developing climate resilient crops. lagopoides是一种重要的盐生植物，具有关键的耐盐生理和分子机制，是培育气候适应型作物的独特遗传资源。

IF 2.7 3区生物学

Journal of Plant Research Pub Date : 2025-04-28 DOI: 10.1007/s10265-025-01640-w

Pradeep K Agarwal, Parinita Agarwal, Anjali Chittora, Adarsh Bhawsar, Treesa Thomas

引用次数: 0

Over-compensation of the native herb Qiai (Artemisia argyi var. argyi cv. Qiai) to infection with alien field dodder (Cuscuta campestris). 乡土植物羌艾（Artemisia argyi var. argyi cv.）的过度补偿。Qiai)感染外星野菟丝子（Cuscuta campestris）。

IF 2.7 3区生物学

Journal of Plant Research Pub Date : 2025-04-25 DOI: 10.1007/s10265-025-01639-3

Xin Yu, Tong Wu, Wei-Bin Wang, Tian-Yu Ma, Qiu-Yu Ma, Jia-Ying Zhang, Jia-Liang Zhang

{"title":"Over-compensation of the native herb Qiai (Artemisia argyi var. argyi cv. Qiai) to infection with alien field dodder (Cuscuta campestris).","authors":"Xin Yu, Tong Wu, Wei-Bin Wang, Tian-Yu Ma, Qiu-Yu Ma, Jia-Ying Zhang, Jia-Liang Zhang","doi":"10.1007/s10265-025-01639-3","DOIUrl":"https://doi.org/10.1007/s10265-025-01639-3","url":null,"abstract":"Compensatory growth of crops is argued to alleviate detrimental parasitic effects. Cuscuta campestris causes severe crop losses worldwide, and is the most important parasitic weed. In a two-year consecutive field investigation, C. campestris was found on Artemisia argyi var. argyi cv. Qiai, one traditional medicinal herb with a long cultivation history in Qizhou, China. In 2020, anatomical validation was conducted on haustorial connection, and competition between carbon (C) and nitrogen (N) in this parasitic system was quantified with isotope signature (δ13C, δ15N) at five sites in 2021. Across sites, leaf senescence of low canopy of infected Qiai was greatly accelerated. Enhancement of resource remobilization from aging leaves (emerging source) mainly supported growth of the parasite (additional sink) also host stem, Qiai successfully abstained intense resource competition with C. campetris, and both species had similar δ13C and δ15N. A new source-sink balance re-established between the parasite and host. Infected Qiai held relatively steady canopy C fixation (constant photosynthetic N use efficiency, biomass and N concentration of green leaves), and branched in top canopy markedly, increasing light access. Together, Qiai appeared to enhance canopy C gain in response to infection. Increase in δ13C in this parasite-host association was mild. Finally, this parasite evidently over-stimulated the aboveground biomass of its host, irrespective of infection density and load, and was left behind. This study first reported C. campestris on Qiai, and the latter species execute over-compensation in the field.","PeriodicalId":16813,"journal":{"name":"Journal of Plant Research","volume":" ","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143998063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Androecium homologies in eight-staminate maples: a developmental study. 八雄蕊槭树雄蕊同源性的发育研究。

IF 2.7 3区生物学

Journal of Plant Research Pub Date : 2025-04-25 DOI: 10.1007/s10265-025-01641-9

Alexander E Zavialov, Margarita V Remizowa

{"title":"Androecium homologies in eight-staminate maples: a developmental study.","authors":"Alexander E Zavialov, Margarita V Remizowa","doi":"10.1007/s10265-025-01641-9","DOIUrl":"https://doi.org/10.1007/s10265-025-01641-9","url":null,"abstract":"The genus Acer belongs to the family Sapindaceae, whose representatives are characterized by a pentamerous perianth but typically possess only eight stamens. Such an androecium is believed to have evolved through the loss of two stamens. However, there is still no consensus on the origin of eight-staminate androecium including the positions of the two lost stamens and the pathway of their reduction compared to other Sapindaceae. We examined the early stages of flower development in five maple species belonging to different sections - four species with eight stamens and one species with ten stamens - using scanning electron microscopy. Measurements were performed to analyze the relative positions of stamen primordia, their size, and the floral meristem surface area. In addition, the perianth and androecium vasculature was studied to reveal petal-stamen complexes. We found that in three of four 8-staminate species, three stamens are initiated from common petal-stamen primordia, and five arise from single primordia. In A. tegmentosum Maxim., four stamens appear from common primordia with petals, and four from single primordia. Despite developmental differences, stamen distribution within the flower and the angles between adjacent stamens indicate a similar androecium construction in all species. In most species with eight stamens, the differences between two andoecial whorls have vanished. In contrast, A. nikoense (Miq.) Maxim., with ten stamens, possesses two distinct stamen whorls, the antepetalous stamens are initiated from common primordia. In the 8-staminate androecia of the genus Acer, the same two stamens have been lost as in other Sapindaceae. Within genus Acer, there is a certain decrease in the relative size of the floral meristem, accompanied by an increase in the number of common petal-stamen primordia and increased heterogeneity of the androecium (in A. tegmentosum) or reduction of some floral organs.","PeriodicalId":16813,"journal":{"name":"Journal of Plant Research","volume":" ","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143999991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Effects of suppression of phosphate transporter 4;4 on CO₂ assimilation in rice. 抑制磷酸转运体4；4对水稻CO2同化的影响。

IF 2.7 3区生物学

Journal of Plant Research Pub Date : 2025-04-18 DOI: 10.1007/s10265-025-01638-4

Ryosei Harada, Takaya Sugimoto, Yuki Takegahara-Tamakawa, Amane Makino, Yuji Suzuki

{"title":"Effects of suppression of phosphate transporter 4;4 on CO2 assimilation in rice.","authors":"Ryosei Harada, Takaya Sugimoto, Yuki Takegahara-Tamakawa, Amane Makino, Yuji Suzuki","doi":"10.1007/s10265-025-01638-4","DOIUrl":"https://doi.org/10.1007/s10265-025-01638-4","url":null,"abstract":"Homeostasis of inorganic phosphate (Pi) in the chloroplasts is essential for healthy CO2 assimilation. When Pi in chloroplasts is insufficient, the increase in the CO2 assimilation rate (A) with an increase in CO2 level is restricted, whereas A per unit total protein level moderately decreases under low-to-normal CO2 levels. Some phosphate transporters (PHT) are localized in the chloroplast envelope; however, their contribution to the maintenance of Pi homeostasis for CO2 assimilation has rarely been reported. In this study, we generated transgenic rice plants with RNAi-suppressed PHT4;4, one of the two genes of chloroplast envelope-localized PHT, and examined the changes in the characteristics of CO2 assimilation. In three transgenic lines, the mRNA levels of PHT4;4 decreased by approximately 80% without a notable decrease in total leaf-P levels or total leaf-N levels, which is thought to approximately correspond to total protein levels. A in the transgenic plants tended to be slightly lower than that in the wild-type plants, irrespective of the CO2 level, and typically increased to saturation with increasing CO2 levels. A per unit total leaf-N level in transgenic plants tended to be slightly lower than that in wild-type plants. These results indicate that substantial PHT4;4 suppression caused slight symptoms of Pi-limited CO2 assimilation. Therefore, PHT4;4 is suggested to be involved in the maintenance of chloroplast Pi homeostasis for healthy CO2 assimilation, although its contribution is minor.","PeriodicalId":16813,"journal":{"name":"Journal of Plant Research","volume":" ","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144064069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Dynamic changes in chromatin structure and transcriptional activity in the generative cells of Lilium longiflorum. 百合生殖细胞染色质结构和转录活性的动态变化。

IF 2.7 3区生物学

Journal of Plant Research Pub Date : 2025-04-15 DOI: 10.1007/s10265-025-01637-5

Mio K Shibuta, Tsugumi Aso, Yutsuki Okawa

{"title":"Dynamic changes in chromatin structure and transcriptional activity in the generative cells of Lilium longiflorum.","authors":"Mio K Shibuta, Tsugumi Aso, Yutsuki Okawa","doi":"10.1007/s10265-025-01637-5","DOIUrl":"https://doi.org/10.1007/s10265-025-01637-5","url":null,"abstract":"Pollen is required for fertilization and the associated production of seeds and fruits, which are important for human nutrition. Research on the tricellular pollen of Arabidopsis thaliana revealed that chromatin is highly condensed and transcriptional activity is suppressed in sperm cells. However, comprehensive structural investigations involving generative cells of bicellular pollen have not been conducted. In this study, we provide relevant insights into other angiosperms that produce bicellular pollen. Lilium longiflorum, which has large and easily observable nuclei, was used for a detailed analysis of the chromatin structure and transcriptionally active regions in pollen and pollen tubes. Chromatin was condensed, resulting in a ribbon-like structure that was clearly visible in mature generative cell nuclei. Additionally, transcriptionally active regions were restricted to the intersections of chromatin as pollen desiccated. Although de novo transcription was revealed to be unnecessary for pollen tube growth, transcriptional activity temporarily resumed before generative cell division during pollen tube growth. Moreover, the inhibition of de novo transcription influenced changes in nuclear morphology. In this study, the distinctive chromatin structures and transcriptional activity states in generative cell nuclei of bicellular pollen were elucidated, with the generated data contributing to a deeper understanding of transcription and other regulatory mechanisms involved in pollen maturation and pollen tube growth.","PeriodicalId":16813,"journal":{"name":"Journal of Plant Research","volume":" ","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144031097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Correction to: Bud development, flower phenology and life history of holoparasitic Rafesia cantleyi. 修正：全寄生拉菲（Rafesia cantleyi）的芽发育、花物候和生活史。

IF 2.7 3区生物学

Journal of Plant Research Pub Date : 2025-04-12 DOI: 10.1007/s10265-025-01633-9

Suk Ling Wee, Shwu Bing Tan, Sue Han Tan, Bernard Kok Bang Lee

引用次数: 0

Abscisic acid enhances non-photochemical quenching through SnRK2 and ABI3 in Physcomitrium patens. 脱落酸通过SnRK2和ABI3促进了假丝胞的非光化学猝灭。

IF 2.7 3区生物学

Journal of Plant Research Pub Date : 2025-04-07 DOI: 10.1007/s10265-025-01627-7

Chang-Hyun Maeng, Takuya Fujita, Junko Kishimoto, Ryouichi Tanaka, Atsushi Takabayashi, Tomomichi Fujita

{"title":"Abscisic acid enhances non-photochemical quenching through SnRK2 and ABI3 in Physcomitrium patens.","authors":"Chang-Hyun Maeng, Takuya Fujita, Junko Kishimoto, Ryouichi Tanaka, Atsushi Takabayashi, Tomomichi Fujita","doi":"10.1007/s10265-025-01627-7","DOIUrl":"https://doi.org/10.1007/s10265-025-01627-7","url":null,"abstract":"The transition of plants in the green lineage from aquatic to terrestrial environments during the bryophyte stage marked a pivotal point in evolution. Successful terrestrialization required evolutionary adaptations to harsh and fluctuating light conditions, where direct irradiation is stronger than in aquatic environments. To cope with these challenges, plants evolved regulatory mechanisms to control cellular activities. One such acclimation is rapidly reversible, energy-dependent non-photochemical quenching (NPQ), which dissipates excess light energy as heat to protect the photosynthetic apparatus. Another critical innovation is abscisic acid (ABA) signaling, believed to have first emerged in bryophytes. Here, we reveal a potential link between these two key acclimations in bryophytes. We demonstrate that exogenous ABA induces NPQ in the moss Physcomitrium patens, increasing the levels of LHCSR, a key NPQ regulator, while concurrently decreasing PsbS. Exogenous ABA also enhances the xanthophyll cycle pigments, contributing to NPQ. In mutants deficient in ABA signaling components, including SNF1-related kinase 2 (SnRK2) and the transcription factor, Abscisic Acid-Insensitive 3 (ABI3), ABA-induced NPQ, LHCSR and PsbS expression, and xanthophyll cycle pigment accumulation were significantly reduced. These findings suggest that exogenous ABA enhances NPQ through the SnRK2 and ABI3-mediated signaling pathway by promoting LHCSR expression and xanthophyll cycle pigment production. We propose that the integration of ABA signaling and NPQ represent a critical evolutionary milestone, enabling early land plants to adapt and thrive in terrestrial environments.","PeriodicalId":16813,"journal":{"name":"Journal of Plant Research","volume":" ","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143795742","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

SUPPRESOR OF GAMMA RESPONSE 1 promotes early onset of endoreplication upon DNA double-strand breaks by inducing CCS52A1 expression in Arabidopsis roots. 抑制γ反应1通过诱导CCS52A1在拟南芥根中的表达，促进DNA双链断裂时的早期内复制。

IF 2.7 3区生物学

Journal of Plant Research Pub Date : 2025-04-07 DOI: 10.1007/s10265-025-01630-y

Toshiki Wada, Ayako N Sakamoto, Masaaki Umeda, Naoki Takahashi

引用次数: 0

Correction to: Contributions of lignification, tissue arrangement patterns, and cross-sectional area to whole-stem mechanical properties in Arabidopsis thaliana. 修正：拟南芥木质化、组织排列模式和横截面积对全茎机械特性的贡献。

IF 2.7 3区生物学

Journal of Plant Research Pub Date : 2025-04-07 DOI: 10.1007/s10265-025-01632-w

Mariko Asaoka, Eric Badel, Ali Ferjani, Kazuhiko Nishitani, Olivier Hamant

引用次数: 0