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学者姓名：秦源
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Abstract ：
How do growth hormones interact to specify female-germline cell types in flowering plants and control production of the first female-germline cell? Here, we find that gibberellin (GA) biosynthesis and signaling are restricted in ovule primordia, with overexpression of receptors and biosynthetic enzymes resulting in multiple and enlarged megaspore mother cells (MMCs) in Arabidopsis. GA signaling machinery interacts with and promotes the degradation of cytokinin (CK) type-B Arabidopsis response regulators (ARR1/10/12), which also directly interact with DELLA proteins. CK biosynthesis and signaling components are expressed in both MMCs and sporophytic cells, with signaling negatively controlled by GA in ovule primordia, and perturbations leading to the induction of multiple, enlarged MMC-like cells. The vacuolar sorting protein SHRUBBY (SHBY) interacts with GA and CK signaling components to block GA-induced degradation. CK signaling restricts multiple sub-epidermal cells in distal ovule primordia from acquiring MMC identity. By balancing degradation activity, GA and CK signaling antagonistically control female-germline cell specification.
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| GB/T 7714 | Cai, Hanyang , Liu, Kaichuang , Ma, Suzhuo et al. Gibberellin and cytokinin signaling antagonistically control female-germline cell specification in Arabidopsis [J]. | DEVELOPMENTAL CELL , 2025 , 60 (5) : 706-722 . |
| MLA | Cai, Hanyang et al. "Gibberellin and cytokinin signaling antagonistically control female-germline cell specification in Arabidopsis" . | DEVELOPMENTAL CELL 60 . 5 (2025) : 706-722 . |
| APA | Cai, Hanyang , Liu, Kaichuang , Ma, Suzhuo , Su, Han , Yang, Jiahong , Sun, Ling et al. Gibberellin and cytokinin signaling antagonistically control female-germline cell specification in Arabidopsis . | DEVELOPMENTAL CELL , 2025 , 60 (5) , 706-722 . |
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Passion fruit (Passiflora edulis), mainly distributed in tropical and subtropical regions, is popular for its unique flavor and health benefits. The actin cytoskeleton plays a crucial role in plant growth and development, and villin is a key regulator of actin dynamics. However, the mechanism underlying the actin filament regulation of reproductive development in passion fruit remains poorly understood. Here, we characterized a villin isovariant in passion fruit, Passiflora edulis VLN4 (PeVLN4), highly and preferentially expressed in pollen. Subcellular localization analysis showed that PeVLN4 decorated distinct filamentous structures in pollen tubes. We next introduced PeVLN4 into Arabidopsis villin mutants to explore its functions on the growing pollen tubes. PeVLN4 rescued defects in the elongation of villin mutant pollen tubes. Pollen tubes expressing PeVLN4 were revealed to be less sensitive to latrunculin B, and PeVLN4 partially rescued defects in the actin filament organization of villin mutant pollen tubes. Additionally, biochemical assays revealed that PeVLN4 bundles actin filaments in vitro. Thus, PeVLN4 is an important regulator of F-actin stability and is required for normal pollen tube growth in passion fruit. This study provides a new insight into the function of the actin regulator villin involved in the reproduction development of passion fruit.
Keyword ：
actin filament actin filament Passiflora edulis Passiflora edulis reproduction development reproduction development VLN gene VLN gene
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| GB/T 7714 | Yang, Hanbing , Wei, Xiuqing , Wang, Lifeng et al. Functional Characterization of PeVLN4 Involved in Regulating Pollen Tube Growth from Passion Fruit [J]. | INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES , 2025 , 26 (5) . |
| MLA | Yang, Hanbing et al. "Functional Characterization of PeVLN4 Involved in Regulating Pollen Tube Growth from Passion Fruit" . | INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES 26 . 5 (2025) . |
| APA | Yang, Hanbing , Wei, Xiuqing , Wang, Lifeng , Zheng, Ping , Li, Junzhang , Zou, Yutong et al. Functional Characterization of PeVLN4 Involved in Regulating Pollen Tube Growth from Passion Fruit . | INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES , 2025 , 26 (5) . |
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The formation of the female germline is the fundamental process in most flowering plants' sexual reproduction. In Arabidopsis, only one somatic cell obtains the female germline fate, and this process is regulated by different pathways. Megaspore mother cell (MMC) is the first female germline, and understanding MMC development is essential for comprehending the complex mechanisms of plant reproduction processes. Recently, more advanced technologies such as whole-mount single-molecule fluorescence in situ hybridization (smFISH), laser-assisted microdissection (LCM), chromatin immunoprecipitation/sequencing, and CRISPR gene editing have provided opportunities to reveal the mechanism of female germline development at different stages. Single-cell transcriptome/spatial transcriptomics analysis helps to investigate complex cellular systems at the single-cell level, reflecting the biological complexity of different cell types. In this review, we highlight recent progress that facilitates the development of the female germline to explore the roles of crucial gene regulatory networks, epigenetic pathways, cell-cycle regulators, and phytohormones in this process. This review discusses three key phases in female germline development and provides the possibility of distinct pathways restricting germline development in the future.
Keyword ：
cell-cycle regulators cell-cycle regulators epigenetic pathways epigenetic pathways MMC MMC phytohormones phytohormones plant reproduction processes plant reproduction processes
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| GB/T 7714 | Huang, Youmei , Zhang, Yunlong , Yang, Jiahong et al. Revisiting the female germline cell development [J]. | FRONTIERS IN PLANT SCIENCE , 2025 , 15 . |
| MLA | Huang, Youmei et al. "Revisiting the female germline cell development" . | FRONTIERS IN PLANT SCIENCE 15 (2025) . |
| APA | Huang, Youmei , Zhang, Yunlong , Yang, Jiahong , Xi, Xinpeng , Liu, Yanfen , Cai, Hanyang et al. Revisiting the female germline cell development . | FRONTIERS IN PLANT SCIENCE , 2025 , 15 . |
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本发明涉及一个植物类受体激酶基因OsER1参与调控水稻颖花发育，调控水稻颖花发育及种子形态的OsER1基因功能缺失突变体与野生型相比，oser1‑T的颖片、内外稃、雄蕊、雌蕊、柱头和浆片的数目发生了部分偏离。由于一个小穗中雌蕊数目增多使得种子数目增多，以及种子形态异常的表型。本研究证明OsER1通过调控水稻颖花发育，从而影响水稻的雌蕊数目及种子形态。这一发现将对水稻遗传材料的创制及作物遗传改良工作具有重要意义，这对水稻育种工作具有一定的应用价值。
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| GB/T 7714 | 秦源 , 郭明亮 , 郑椿 et al. 一种调控水稻雌蕊数目及种子形态的类受体激酶OsER1基因 : CN202411534760.0[P]. | 2024-10-31 . |
| MLA | 秦源 et al. "一种调控水稻雌蕊数目及种子形态的类受体激酶OsER1基因" : CN202411534760.0. | 2024-10-31 . |
| APA | 秦源 , 郭明亮 , 郑椿 , 石超 , 田大刚 . 一种调控水稻雌蕊数目及种子形态的类受体激酶OsER1基因 : CN202411534760.0. | 2024-10-31 . |
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Microalgal biofuel production is limited by high costs. This study shows that timed antioxidant supplementation 1 mM sodium ascorbate (SE) on day 3 significantly boosts lipid productivity in Phaeodactylum tricornutum. SE treatment increased biomass by 10 % and total lipids by 40 %, especially C16:0 and C16:1 fatty acids. Mechanistically, SE triggered chloroplast ROS accumulation and enhanced antioxidant defenses (higher VC levels and APX/CAT/SOD activities). This response reduced PUFAs but increased overall lipid yield. Transcriptomics revealed two key mechanisms: (1) upregulation of glycolysis genes supplying lipid precursors, and (2) transient nitrogen metabolism activation (6 h), followed by downregulation (24 h), redirecting carbon toward lipid biosynthesis. Notably, the nitrate transporter NRT showed dynamic regulation. These results highlight SE's dual role in oxidative stress modulation and metabolic reprogramming, providing a cost-effective strategy to enhance algal biofuel production.
Keyword ：
Culture method Culture method Diatom Diatom Green technology Green technology Intermediate metabolism Intermediate metabolism ROS homeostasis ROS homeostasis
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| GB/T 7714 | Zhang, Huiying , Dong, Guanghui , Liu, Dong et al. Enhancing lipid accumulation in Phaeodactylum tricornutum using cost-effective antioxidant sodium ascorbate: mechanistic insights [J]. | BIORESOURCE TECHNOLOGY , 2025 , 434 . |
| MLA | Zhang, Huiying et al. "Enhancing lipid accumulation in Phaeodactylum tricornutum using cost-effective antioxidant sodium ascorbate: mechanistic insights" . | BIORESOURCE TECHNOLOGY 434 (2025) . |
| APA | Zhang, Huiying , Dong, Guanghui , Liu, Dong , Wu, Yingzheng , Yan, Congyang , Qin, Yuan et al. Enhancing lipid accumulation in Phaeodactylum tricornutum using cost-effective antioxidant sodium ascorbate: mechanistic insights . | BIORESOURCE TECHNOLOGY , 2025 , 434 . |
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The female gametophyte is central to the reproductive success of flowering plants, with its development being tightly controlled by an intricate network of genes and signaling pathways. A deeper understanding of these regulatory mechanisms is essential for uncovering the complexities of plant growth and development. Recent studies have shed light on various aspects of female gametophyte development, highlighting the role of specific gene and signaling networks. Among these, the ERECTA family of leucine-rich repeat receptor-like kinase (RLK) in Arabidopsis thaliana has emerged as a key player, influencing multiple biological processes, particularly those governing reproductive development of the female gametophyte. This review focuses on the significant progress made in understanding the ERECTA family's involvement in germline cell development, emphasizing its functional roles and signaling mechanisms in female gametophyte development.
Keyword ：
ERECTA ERECTA female germline female germline functional megaspore (FM) functional megaspore (FM) integuments integuments megaspore mother cell (MMC) megaspore mother cell (MMC)
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| GB/T 7714 | Su, Han , Jiang, Xiaohu , Liu, Yanfen et al. Advances in ERECTA Family Regulation of Female Gametophyte Development in Arabidopsis thaliana [J]. | PLANTS-BASEL , 2025 , 14 (13) . |
| MLA | Su, Han et al. "Advances in ERECTA Family Regulation of Female Gametophyte Development in Arabidopsis thaliana" . | PLANTS-BASEL 14 . 13 (2025) . |
| APA | Su, Han , Jiang, Xiaohu , Liu, Yanfen , Cao, Zhuangyuan , Liu, Ziqi , Qin, Yuan et al. Advances in ERECTA Family Regulation of Female Gametophyte Development in Arabidopsis thaliana . | PLANTS-BASEL , 2025 , 14 (13) . |
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Nitrogen (N) is crucial for plant growth and stress resistance and is primarily absorbed and transported by nitrate transporters (NRT). Suaeda glauca, known for its strong salt-alkali stress resistance, and SgNRT genes have rarely been reported. This study aims to identify and analyze the SgNRT gene family to understand its composition, evolutionary patterns, and roles in salt stress responses. We identified 212 SgNRTs, which were categorized into three branches, with SgNRT1/SgNPF and SgNRT2 as the major families. Structural analysis, conserved domains, chromosomal localization, and collinearity were also examined. Spatiotemporal expression characteristics of SgNRT genes were analyzed, revealing specific expression across 13 organs or tissues and dynamic responses to salt treatment over 48 h. Notably, SgNRT1.185, SgNRT2.25, and SgNRT2.2 exhibited rapid salt induction in leaves (activated within 0.5 h, peaking at 2 h), with SgNRT1.185 showing relatively high upregulation. SgNRT1.185 and SgNRT2.35 were induced by high salt concentrations (200 mM) in both roots and leaves. SgNRT2.35 exhibited higher basal and stress-induced levels than the other genes. Bioinformatics analysis suggests spatially specific expression of SgNRT genes, potentially involved in nitrogen absorption and transport across various developmental stages and organs/tissues of Suaeda glauca. These findings offer a theoretical basis for understanding the adaptive strategies of Suaeda glauca under saline-alkali stress and provide insights into the functional evolution of plant NRT genes, aiding in the development of stress-resistant crops.
Keyword ：
bioinformatics bioinformatics gene expression analysis gene expression analysis NRT gene family NRT gene family soil salinization soil salinization Suaeda glauca Suaeda glauca
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| GB/T 7714 | Ou, Zitong , Sun, Jin , Li, Xueli et al. Genome-Wide Identification, Characterization, and Expression Analysis of NRT Gene Family in Suaeda glauca [J]. | BIOLOGY-BASEL , 2025 , 14 (8) . |
| MLA | Ou, Zitong et al. "Genome-Wide Identification, Characterization, and Expression Analysis of NRT Gene Family in Suaeda glauca" . | BIOLOGY-BASEL 14 . 8 (2025) . |
| APA | Ou, Zitong , Sun, Jin , Li, Xueli , Feng, Haoran , Chen, Xingguang , Liang, Sisi et al. Genome-Wide Identification, Characterization, and Expression Analysis of NRT Gene Family in Suaeda glauca . | BIOLOGY-BASEL , 2025 , 14 (8) . |
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Clinacanthus nutans is valued for its medicinal properties, largely attributed to bioactive compounds such as flavonoids, polyphenols, and other secondary metabolites. These compounds accumulate differentially across tissues and are influenced by environmental cues and phytohormones like methyl jasmonate (MeJA). Transcription factors play pivotal roles in mediating these responses, with the basic helix-loop-helix (bHLH) gene family emerging as key regulators of hormone-and stress-responsive gene expression involved in secondary metabolism. In this study, 182 bHLHs were identified in C. nutans, labeled CnbHLH001 to CnbHLH182 according to their chromosomal locations. Phylogenetic analysis grouped them into 26 subfamilies, with 10 classified as orphans. Structural characterization revealed subfamily-specific motif architectures and exon-intron structures. Gene duplication analysis indicated that segmental duplication was a major driver of CnbHLH family expansion, and expression analysis suggested both conserved and divergent expression among duplicated gene pairs. Tandemly duplicated genes such as CnbHLH044 to CnbHLH047 showed similar expression patterns. Synteny analysis showed that CnbHLHs in Acanthaceae species are more similar to each other than to genes in other species, suggesting a possible Acanthaceae-specific expansion. Furthermore, this study provides the first genome-wide analysis of CnbHLHs expression in response to abiotic stresses. Many CnbHLHs showed tissue-specific expression and responded differentially to MeJA and stress treatments. These findings provide a foundation for future research to explore the regulatory mechanisms of CnbHLHs and their potential to improve the medicinal properties of C. nutans.
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| GB/T 7714 | An, Chang , Wu, Denghang , Li, Ningwei et al. The basic helix-loop-helix (bHLH) gene family in Clinacanthus nutans: insights into tissue-specific expression, stress responses, and methyl jasmonate (MeJA) responsiveness [J]. | MEDICINAL PLANT BIOLOGY , 2025 , 4 . |
| MLA | An, Chang et al. "The basic helix-loop-helix (bHLH) gene family in Clinacanthus nutans: insights into tissue-specific expression, stress responses, and methyl jasmonate (MeJA) responsiveness" . | MEDICINAL PLANT BIOLOGY 4 (2025) . |
| APA | An, Chang , Wu, Denghang , Li, Ningwei , Yao, Yixin , Lu, Lin , Cheng, Yan et al. The basic helix-loop-helix (bHLH) gene family in Clinacanthus nutans: insights into tissue-specific expression, stress responses, and methyl jasmonate (MeJA) responsiveness . | MEDICINAL PLANT BIOLOGY , 2025 , 4 . |
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【目的】研究不同产地珊瑚菜（Glehnia littoralis）的叶绿体基因组的特征及其系统发育关系，从细胞器基因组角度揭示珊瑚菜物种内的遗传变异和群体分化，为其新品种选育和种质资源保护提供遗传学基础。【方法】对产自福建的珊瑚菜叶绿体基因组进行了组装和注释，随后对6个来自不同产地样本的叶绿体基因组进行比较分析，研究其基因组结构、重复序列分布、密码子使用偏好、核苷酸多态性、基因组边界特征以及系统发育关系，探讨不同产地珊瑚菜之间的遗传多样性和适应性进化特征。【结果】6个叶绿体基因组均呈典型的双链环状四分体结构，基因组长度为147 445-147 552 bp,GC含量为37.51%-37.52%，结构高度保守。均注释出129个基因，包括85个蛋白编码基因，8个核糖体RNA和36个转运RNA。SSR数量在77-79之间，共包含6种类型，以A/T类型为主。密码子使用分析表明，编码精氨酸的密码子中福建和中国台湾产地的珊瑚菜倾向于使用的CGA，而深圳和浙江产地的珊瑚菜更偏好CGT。基因组边界特征基因具有一定的保守性，差异主要位于JLB和JLA边界。核苷酸多态性分析共检测出24个的多态性区域。系统发育分析表明，产于韩国的珊瑚菜在演化上独立于其他样本，中国台湾产地与其余地区样本分化最早，显示出独特的遗传特征；福建产地随后分化，深圳和浙江样本形成一个小分支。【结论】不同产地珊瑚菜在叶绿体基因组结构特征保守，但在密码子使用、基因组边界及核苷酸多态性等方面存在一定变异，系统发育分析表明其群体间存在遗传分化，反映了其适应性进化特征。
Keyword ：
不同产地 不同产地 叶绿体基因组 叶绿体基因组 比较分析 比较分析 珊瑚菜 珊瑚菜
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| GB/T 7714 | 安昌 , 徐文波 , 陆琳 et al. 不同产地珊瑚菜叶绿体基因组特征的差异性研究 [J]. | 生物技术通报 , 2025 , 41 (06) : 229-242 . |
| MLA | 安昌 et al. "不同产地珊瑚菜叶绿体基因组特征的差异性研究" . | 生物技术通报 41 . 06 (2025) : 229-242 . |
| APA | 安昌 , 徐文波 , 陆琳 , 李登麟 , 姚艺新 , 林彦翔 et al. 不同产地珊瑚菜叶绿体基因组特征的差异性研究 . | 生物技术通报 , 2025 , 41 (06) , 229-242 . |
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本发明涉及一种调控水稻大孢子发生的OsEPF1基因，具体涉及一个植物富含半胱氨酸的分泌肽OsEPF1参与调控水稻大孢子发生过程。本发明调控水稻大孢子发生的OsEPF1基因功能缺失突变体与野生型ZH11相比，雌性生殖细胞发育存在明显缺陷，特别是在胚珠发育早期，AC和MMC时期，突变体会产生多个AC/MMC‑like的细胞，进而影响育性，导致水稻单株结实率下降；将pEPF1::EPF1回补到突变体后胚珠中大孢子发生过程发育正常，且结实率能够恢复正常。本发明证明OsEPF1通过调控水稻大孢子发生过程中体细胞向生殖细胞命运的转变，从而影响雌配子体发育，最终影响水稻的结实率，这一发现对水稻雌性生殖细胞命运决定的研究具有重要意义，这对水稻育种工作具有一定的应用价值。
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| GB/T 7714 | 秦源 , 郭明亮 , 江淑宇 et al. 一种调控水稻大孢子发生的OsEPF1基因 : CN202411534356.3[P]. | 2024-10-31 . |
| MLA | 秦源 et al. "一种调控水稻大孢子发生的OsEPF1基因" : CN202411534356.3. | 2024-10-31 . |
| APA | 秦源 , 郭明亮 , 江淑宇 , 郑椿 , 田大刚 . 一种调控水稻大孢子发生的OsEPF1基因 : CN202411534356.3. | 2024-10-31 . |
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