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Lu pour vous 为你读
Acta Endoscopica
Pub Date : 2022-03-01 DOI: 10.1007/BF02970341
C. Treille
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引用次数: 0
Annonces de Congrés
Acta Endoscopica
Pub Date : 2021-11-22 DOI: 10.1007/BF03003419
Annonces de Congrbs
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引用次数: 0
Analyse de livres 书籍分析
Acta Endoscopica
Pub Date : 2021-11-01 DOI: 10.1007/BF02970513
R. Cheli, B. Watrin
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引用次数: 0
Annonces de Congrés 大会公告
Acta Endoscopica
Pub Date : 2021-10-15 DOI: 10.1007/BF03003355
Annonces de Congrbs
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引用次数: 0
Résumés /abstracts 摘要/摘要
Acta Endoscopica
Pub Date : 2021-06-01 DOI: 10.1007/BF03002612
A. Bouvier, C. Florent, R. Bencheqroun
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引用次数: 1
Annonces de congrés 大会公告
Acta Endoscopica
Pub Date : 2021-06-01 DOI: 10.1007/BF02965240
Annonces, de, Congrbs
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引用次数: 0
Analyse de livres 书籍分析
Acta Endoscopica
Pub Date : 2021-02-01 DOI: 10.1007/BF03021883
P. Dieterling
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引用次数: 0
Annonces de Congrés 大会公告
Acta Endoscopica
Pub Date : 2020-09-01 DOI: 10.1007/BF02966815
Annonces de Congrbs
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引用次数: 0
The plant-type phosphoenolpyruvate carboxylase Gmppc2 is developmentally induced in immature soy seeds at the late maturation stage: a potential protein biomarker for seed chemical composition. 植物型磷酸烯醇丙酮酸羧化酶 Gmppc2 在未成熟大豆种子成熟晚期的发育过程中被诱导：种子化学成分的潜在蛋白质生物标记。
IF 1.6
Acta Endoscopica
Pub Date : 2020-03-01 Epub Date: 2019-11-27 DOI: 10.1080/09168451.2019.1696179
Naoki Yamamoto, Toshio Sugimoto, Tomoyuki Takano, Ai Sasou, Shigeto Morita, Kentaro Yano, Takehiro Masumura

Phosphoenolpyruvate carboxylase (PEPC) is a carbon-fixing enzyme with critical roles in seed development. Previously we observed a positive correlation between PEPC activity and protein content in mature seeds among soybean cultivars and varietal differences of PEPC activity in immature seeds, which is concordant with seed protein accumulation. Here, we report a PEPC isoform (Gmppc2) which is preferentially expressed in immature soybean seeds at the late maturation stage. Gmppc2 was co-expressed with enzyme genes involved in starch degradation: α-amylase, hexokinase, and α-glucan phosphorylase. Gmppc2 was developmentally induced in the external seed coats, internal seed coats, hypocotyls, and cotyledons at the late maturation stage. The expression of Gmppc2 protein was negatively regulated by the application of a nitrogen fertilizer, which suppressed nodule formation. These results imply that Gmppc2 is involved in the metabolism of nitrogen originated from nodules into seeds, and Gmppc2 might be applicable as a biomarker of seed protein content.Abbreviations: PEP: phosphoenolpyruvate; PEPC: phosphoenolpyruvate carboxylase; RNA-Seq: RNA sequencing; PCA: principal component analysis; SE: standard error.

磷酸烯醇丙酮酸羧化酶（PEPC）是一种固碳酶，在种子发育过程中起着至关重要的作用。此前，我们观察到大豆不同栽培品种成熟种子中的 PEPC 活性与蛋白质含量呈正相关，而未成熟种子中的 PEPC 活性存在品种差异，这与种子蛋白质积累一致。在此，我们报告了一种 PEPC 异构体（Gmppc2），它在成熟晚期的未成熟大豆种子中优先表达。Gmppc2 与参与淀粉降解的酶基因共同表达：α-淀粉酶、己糖激酶和 α-葡聚糖磷酸化酶。在成熟后期，Gmppc2 在外种皮、内种皮、下胚轴和子叶中被发育诱导。施用氮肥会抑制结瘤的形成，从而对 Gmppc2 蛋白的表达产生负调控作用。这些结果表明，Gmppc2 参与了氮素从瘤子进入种子的代谢过程，Gmppc2 可作为种子蛋白质含量的生物标记：缩写：PEP：磷酸烯醇丙酮酸；PEPC：磷酸烯醇丙酮酸羧化酶；RNA-Seq：RNA 测序；PCA：主成分分析；SE：标准误差。
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引用次数: 6
Public Transport Operations After Lockdown: How to Make It Happen? 封锁后的公共交通运营：如何做到这一点？
Acta Endoscopica
Pub Date : 2020-01-01 Epub Date: 2020-06-12 DOI: 10.1007/s41403-020-00121-x
Hemant K Suman, Amit Agarwal, Nomesh B Bolia

Lockdown in cities across the globe has imposed severe travel restrictions to limit the spread of Coronavirus disease. The travel behavior and operations will not be the same as before due to requirements such as physical (social) distancing. This study analyzes the resulting shortage in supply of public transport (buses) that will likely widen the existing gap between demand and supply. In this work, system optimization models are developed to efficiently reallocate the bus fleet to routes for different levels of physical distancing gaps and travel demand. The proposed models are applied to a real-life network of 34 bus routes of Delhi, considering three types of scenarios: current, practical, and ideal. In the practical scenarios, the additional, idling bus fleets can be allocated to the routes efficiently while maintaining physical distancing. The results show that the Business-as-Usual (BAU) scenario involving the current allocation approach will make it impossible to use public buses even if the bare minimum physical distancing has to be maintained. Further, the models proposed in the study significantly improve the key performance indicators for all scenarios.

全球各城市的封锁对旅行实施了严格限制，以限制冠状病毒疾病的传播。由于物理（社会）距离等要求，旅行行为和操作将与以往不同。本研究分析了由此造成的公共交通（公共汽车）供应短缺问题，这可能会扩大现有的供需差距。在这项工作中，开发了系统优化模型，以针对不同程度的物理距离差距和出行需求，有效地将公交车队重新分配到不同的线路上。所提出的模型适用于德里 34 条公交线路的现实网络，考虑了三种情景：当前情景、实际情景和理想情景。在实际情况下，新增的空闲公交车队可以有效地分配到各条线路上，同时保持物理距离。结果表明，在 "一切照旧"（BAU）的情况下，即使必须保持最基本的物理距离，目前的分配方法也会导致无法使用公共汽车。此外，研究中提出的模型显著改善了所有方案的关键性能指标。
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引用次数: 0
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