Entomologia Generalis最新文献

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Differential physiological effects of endo- and ecto-parasitoid venoms on the Asian citrus psyllid Diaphorina citri 内寄生虫毒液和外寄生虫毒液对亚洲柑橘木虱(Diaphorina citri)的不同生理影响
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2024-01-16 DOI: 10.1127/entomologia/2023/2247
Bin Wan, Zuo Yu, Yufan Jiang, Wenfeng Hu, Cong Zhang, Jiangwen Huang, Yangyang Liu, Chenyu Jiang, Changxiu Xia, Marylène Poirié, Jean-Luc Gatti, Bin Xia
{"title":"Differential physiological effects of endo- and ecto-parasitoid venoms on the Asian citrus psyllid Diaphorina citri","authors":"Bin Wan, Zuo Yu, Yufan Jiang, Wenfeng Hu, Cong Zhang, Jiangwen Huang, Yangyang Liu, Chenyu Jiang, Changxiu Xia, Marylène Poirié, Jean-Luc Gatti, Bin Xia","doi":"10.1127/entomologia/2023/2247","DOIUrl":"https://doi.org/10.1127/entomologia/2023/2247","url":null,"abstract":"Two different species of solitary parasitoid wasps have been used as biological control agents for the Asian citrus psyllid Diaphorina citri: the endoparasitoid Diaphorencyrtus aligarhensis and the ectoparasitoid Tamarixia radiata. Since little information was available on the role of the venom of these two parasitoid species in their reproductive success, we set up experiments to compare the effect of natural parasitism, natural envenomation (which was possible for T. radiata) and microinjections of D. aligarhensis and T. radiata venoms on the development and behavior of D. citri nymphs. We found that natural or artificial envenomation by T. radiata rapidly inhibited the crawling behavior of D. citri nymphs and subsequently induced a high nymph mortality rate, mimicking the natural effect of parasitization. In contrast, microinjection of D. aligarhensis venom did not affect nymphal crawling and had no clear effect on nymphal development apart from a slight delay in the days following injection, which may be consistent with the need to keep the host alive during parasitoid larval development. These results demonstrated the differential effects of venom from two types of parasitoid species sharing the same host, improving our understanding of the evolution of Hymenoptera parasitism and highlighting the use of parasitoid’s venom as a potential source of bioinsecticidal molecules.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":"20 1","pages":""},"PeriodicalIF":6.9,"publicationDate":"2024-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139475573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Management of the Mediterranean fruit fly, Ceratitis capitata: past, present, and future 地中海果蝇(Ceratitis capitata)的管理:过去、现在和未来
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2023-12-11 DOI: 10.1127/entomologia/2023/2136
Giulia Giunti, Giovanni Benelli, Orlando Campolo, A. Canale, A. Kapranas, Pablo Liedo, Marc De Meyer, D. Nestel, Luca Ruiu, Francesca Scolari, Xingeng Wang, Nikos T. Papadopoulos
{"title":"Management of the Mediterranean fruit fly, Ceratitis capitata: past, present, and future","authors":"Giulia Giunti, Giovanni Benelli, Orlando Campolo, A. Canale, A. Kapranas, Pablo Liedo, Marc De Meyer, D. Nestel, Luca Ruiu, Francesca Scolari, Xingeng Wang, Nikos T. Papadopoulos","doi":"10.1127/entomologia/2023/2136","DOIUrl":"https://doi.org/10.1127/entomologia/2023/2136","url":null,"abstract":"","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":"1 5","pages":""},"PeriodicalIF":6.9,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138584370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lactic acid impairs Varroa destructor grip skill: fitness costs and effects on behaviour under artificial conditions 乳酸损害瓦罗亚破坏者的抓握技能:在人工条件下的适应性成本和对行为的影响
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2023-12-11 DOI: 10.1127/entomologia/2023/1975
Caroline Vilarem, Vincent Piou, Solène Blanchard, Catherine Armengaud, Fanny Vogelweith, Angélique Vétillard
{"title":"Lactic acid impairs Varroa destructor grip skill: fitness costs and effects on behaviour under artificial conditions","authors":"Caroline Vilarem, Vincent Piou, Solène Blanchard, Catherine Armengaud, Fanny Vogelweith, Angélique Vétillard","doi":"10.1127/entomologia/2023/1975","DOIUrl":"https://doi.org/10.1127/entomologia/2023/1975","url":null,"abstract":"Varroa destructor is one of the major parasites threatening the Western honeybee Apis mellifera if not managed. Yet, sustainable treatments are rare due to the difficulty to impact the mite without disturbing the host. One current soft acaricide used by beekeepers is lactic acid, although its way of action on the parasite remains poorly understood. We undertook the first investigation about lactic acid on V. destructor at the individual level under artificial conditions. We found that lactic acid does not kill V. destructor but rather interferes with its attachment skills. In particular we focused on its arolia, mite’s soft pads, and highlighted shape and fluid modifications induced by lactic acid. We also analysed fitness costs and behavioural effects of impaired attachment due to lactic acid on mites. We observed a reduced locomotion as well as a potential lower reproduction but no impact on nutrition. Even if conducted under artificial conditions, these results significantly improve our understanding of lactic acid effect on the parasite’s biological abilities. They also provide new perspectives to apply differently this organic acid in the field against V. destructor.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":"20 1","pages":""},"PeriodicalIF":6.9,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138540207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mealybugs in Mediterranean persimmon: fruit infestation, seasonal trend and effect of climate change 地中海柿子中的蚧壳虫:果实虫害、季节性趋势和气候变化的影响
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2023-12-11 DOI: 10.1127/entomologia/2023/2028
Ángel Plata, María A. Gómez-Martínez, Francisco J. Beitia, Alejandro Tena
{"title":"Mealybugs in Mediterranean persimmon: fruit infestation, seasonal trend and effect of climate change","authors":"Ángel Plata, María A. Gómez-Martínez, Francisco J. Beitia, Alejandro Tena","doi":"10.1127/entomologia/2023/2028","DOIUrl":"https://doi.org/10.1127/entomologia/2023/2028","url":null,"abstract":"Mealybugs (Hemiptera: Pseudococcidae) are the main pest of persimmon in Spain, the second producer in the world. In order to develop an Integrated Pest Management (IPM) program, it is necessary to identify the main mealybug species, determine their phenology, and develop tools to predict damage. To do this, we sampled 17 orchards from the main persimmon producing area in Spain over two years. Pseudococcus longispinus (Targioni-Tozzeti) was the most abundant and widely distributed species. This mealybug species completed three generations per year and reached peak density just before harvest. Fruit infestation at harvest was highly correlated with mealybug density in spring and summer. The estimated thermal constants to complete development and one generation were 512.5 and 956.3 degree days, respectively. Based on climate change predictions, crop damage caused by the third generation of P. longispinus will increase in 2040 and the mealybug will complete a fourth generation by 2080. Pseudococcus longispinus has become the main pest for Mediterranean persimmon and damage produced by this mealybug may be exacerbated by climate change. This work provides essential data to design a sampling protocol and determine intervention times and thresholds against this mealybug.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":"8 1","pages":""},"PeriodicalIF":6.9,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138547938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Male-specific hexokinase functions as a seminal fluid protein to enhance insect fitness 雄性特异性己糖激酶发挥精液蛋白的功能,提高昆虫的适应能力
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2023-12-11 DOI: 10.1127/entomologia/2023/2129
Yan Zhang, Qinglu Zhang, Weihua Ma, Chao Ma, Guangmei Chen, Xuyuan Gao, Zhenqi Tian, Hongsong Chen, Jingfang Yang, Zhongshi Zhou
{"title":"Male-specific hexokinase functions as a seminal fluid protein to enhance insect fitness","authors":"Yan Zhang, Qinglu Zhang, Weihua Ma, Chao Ma, Guangmei Chen, Xuyuan Gao, Zhenqi Tian, Hongsong Chen, Jingfang Yang, Zhongshi Zhou","doi":"10.1127/entomologia/2023/2129","DOIUrl":"https://doi.org/10.1127/entomologia/2023/2129","url":null,"abstract":"A growing body of evidence has highlighted the vital roles of male-specific seminal fluid proteins (SFPs) in animal sexual selection and reproduction. SFPs were proved to function as central mediators of reproductive fitness by interacting with female-derived molecules to modulate pivotal reproductive processes such as sperm competition, female receptivity, ovulation, and oogenesis. However, the underlying mechanisms of SFPs remain unclear. The present study reports on the hexokinase (hk) family of genes, specifically two members (hk1 and hk2), in the Ophraella communa genome. While hk1 was expressed in multiple tissues and did not affect fecundity, hk2 was specifically expressed in male testes and functioned as a novel and conserved SFP to enhance fertility. Furthermore, HK2 activated the expression of an Apolipophorin-like (Ap-like) gene, which is essential for beetle reproduction. The Ap-like gene activated the expression of triacylglycerol lipase (TGL), resulting in a change in the triglyceride content, which consequently affected fertility. These findings highlight a novel role of an animal HK family in SFP function. Moreover, the newly identified HK/Ap-like/TGL pathway provides new insights for future research on the SFP evolution theory.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":"3 1","pages":""},"PeriodicalIF":6.9,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138548478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficacy of entomopathogenic fungi against the fruit fly Drosophila suzukii and their side effects on predator and pollinator insects 昆虫病原真菌对果蝇的功效及其对捕食昆虫和授粉昆虫的副作用
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2023-12-11 DOI: 10.1127/entomologia/2023/2192
Chloé D. Galland, I. Lalaymia, Stéphane Declerck, François Verheggen
{"title":"Efficacy of entomopathogenic fungi against the fruit fly Drosophila suzukii and their side effects on predator and pollinator insects","authors":"Chloé D. Galland, I. Lalaymia, Stéphane Declerck, François Verheggen","doi":"10.1127/entomologia/2023/2192","DOIUrl":"https://doi.org/10.1127/entomologia/2023/2192","url":null,"abstract":"","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":"9 26","pages":""},"PeriodicalIF":6.9,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138584635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Transferrin affects food intake and reproduction in the hard tick Haemaphysalis longicornis 转铁蛋白影响长角血蜱的食物摄取和繁殖
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2023-12-11 DOI: 10.1127/entomologia/2023/2065
Duo Wang, Hongxia Li, Xiaojing Zhang, Xuanxuan Wang, Xiaohan Di, Zhijun Yu, Fang Wang, Yankai Zhang, Jingze Liu
{"title":"Transferrin affects food intake and reproduction in the hard tick Haemaphysalis longicornis","authors":"Duo Wang, Hongxia Li, Xiaojing Zhang, Xuanxuan Wang, Xiaohan Di, Zhijun Yu, Fang Wang, Yankai Zhang, Jingze Liu","doi":"10.1127/entomologia/2023/2065","DOIUrl":"https://doi.org/10.1127/entomologia/2023/2065","url":null,"abstract":"Transferrin (Tsf) is an extracellular protein with a high affinity for iron in vertebrates, but its function and mechanism in ticks are poorly understood. This study investigated Tsf in the hard tick Haemaphysalis longicornis Neumann (Ixodida: Ixodidae) for the first time. The results showed that Tsf was expressed in three developmental stages (larva, nymph, and female) and in various tissues (salivary glands, ovary, midgut, and Malpighian tubules), with higher expression levels observed after a blood meal. Using the Escherichia coli expression system, it was revealed that the hard tick Tsf protein exhibited iron chelation, radical-scavenging, antibacterial, and hemolytic activities in vitro. Silencing Tsf using RNA interference (RNAi) had adverse effects on the feeding ability and reproduction of H. longicornis, resulting in decreased engorgement weight, ovary weight, egg mass weight, egg hatching rate as well as a prolonged incubation period of eggs from oviposition to larvae hatching. Additionally, proteomics was used to investigate the mechanisms underlying the effects of Tsf on food intake and reproduction in H. longicornis females. The results revealed that Tsf may affect these processes through various pathways, including the ubiquitin–proteasome pathway, lipid metabolic pathways, carbohydrate metabolic pathways, oxidative stress, abnormal mRNA degradation, endocytosis, vesicle transport, and cell cycle regulation. These results contribute to a better understanding of the function and mechanism of Tsf in ticks. Furthermore, this study provides a novel antigen for anti-tick vaccine from the perspective of inhibiting tick iron metabolism.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":"24 1","pages":""},"PeriodicalIF":6.9,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138540206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Callows have their own odour but not for long: Fast acquisition of the chemical signature in the yellow-legged hornet, Vespa velutina nigrithorax Callows有自己的气味,但不会持续太久:快速获取黄腿大黄蜂(Vespa velutina nigrithorax)的化学特征
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2023-12-11 DOI: 10.1127/entomologia/2023/2133
Mélissa Haouzi, Yanan Cheng, Laurence Berville, Christophe Lucas, Ken Tan, Éric Darrouzet
{"title":"Callows have their own odour but not for long: Fast acquisition of the chemical signature in the yellow-legged hornet, Vespa velutina nigrithorax","authors":"Mélissa Haouzi, Yanan Cheng, Laurence Berville, Christophe Lucas, Ken Tan, Éric Darrouzet","doi":"10.1127/entomologia/2023/2133","DOIUrl":"https://doi.org/10.1127/entomologia/2023/2133","url":null,"abstract":"In eusocial insects, the discrimination between conspecifics and intruders is essential for the functioning of most insect societies. This capacity mediated by pheromones, and in particular by Cuticular Hydrocarbon Compounds (CHCs) is the main mechanism of social nestmate recognition which can include heritable cues, as well as acquired cues from nestmates and/or their environment. In this study, we analysed the acquisition of the chemical signature of callows over time, compared to nestmate workers and their nest materials in the invasive hornet Vespa velutina nigrithorax. We show that callows present their own chemical signature, different from both the oldest individuals and nest materials. Interestingly, this chemical signature evolves rapidly, the first two days after emergence, and is not influenced by the presence of a chemical template (workers and/or nests) in laboratory conditions. Moreover, quantities of branched alkanes increased with age. All these results suggest that the chemical signature in V. velutina nigrithorax is probably more influenced by some parameters like physiological processes or genetic factors.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":"66 1","pages":""},"PeriodicalIF":6.9,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138540210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Methoprene-tolerant and Krüppel-homologue 1 are involved in the fecundity improvement of Diaphorina citri induced by Cordyceps fumosorosea 耐甲氧苄啶和 Krüppel 同源体 1 参与了冬虫夏草诱导的枸杞多糖的繁殖力提高过程
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2023-12-11 DOI: 10.1127/entomologia/2023/2101
Shujie Wu, Jiayun Li, Shijian Tan, Jielan He, Desen Wang, Yijing Cen, Yurong He, Xiaoge Nian
{"title":"Methoprene-tolerant and Krüppel-homologue 1 are involved in the fecundity improvement of Diaphorina citri induced by Cordyceps fumosorosea","authors":"Shujie Wu, Jiayun Li, Shijian Tan, Jielan He, Desen Wang, Yijing Cen, Yurong He, Xiaoge Nian","doi":"10.1127/entomologia/2023/2101","DOIUrl":"https://doi.org/10.1127/entomologia/2023/2101","url":null,"abstract":"Bacterial or virus can increase fecundity and other fitness-related traits of insect hosts for their own advantage, however reports on fungal induction of such effects are scarce. In a previous study, we found that low dose fungal treatment (Cordyceps fumosorosea) improved fecundity of Asian citrus psyllid (ACP), however underlying molecular mechanism(s) of such improvement remained unclear. Here, exposure of five-instar nymphs to low lethal concentration of C. fumosorosea (LC20) significantly lowered the adult emergence rate, shortened female adult longevity, accelerated the ovarian development, and improved the fecundity compared to untreated individuals. Consistently, exposure of ACP to LC20 C. fumosorosea significantly increased the juvenile hormone (JH) titer in the ovaries as well as the expression levels of JH receptor, methoprene-tolerant (DcMet) and downstream key transcription factor Krüppel homolog 1 (DcKr-h1). DcMet and DcKr-h1 knockdown markedly blocked ovarian development, reduced female fecundity and extended female longevity in females treated by LC20 C. fumosorosea. Moreover, JH analogue (methoprene) application partially rescued reproductive defects induced by DcMet and DcKr-h1 depletion. These results provided insights into the mechanisms underlying the effects of low concentrations of fungi on insect pests, and had applied implications for the control of ACP.","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":"119 1","pages":""},"PeriodicalIF":6.9,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138548352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biology, ecology and invasiveness of the Mediterranean fruit fly, Ceratitis capitata: a review 地中海果蝇的生物学、生态学和入侵性:综述
IF 6.9 1区 农林科学
Entomologia Generalis Pub Date : 2023-12-11 DOI: 10.1127/entomologia/2023/2135
Giulia Giunti, Giovanni Benelli, Orlando Campolo, A. Canale, A. Kapranas, Pablo Liedo, Marc De Meyer, D. Nestel, Luca Ruiu, Francesca Scolari, Xingeng Wang, Nikos T. Papadopoulos
{"title":"Biology, ecology and invasiveness of the Mediterranean fruit fly, Ceratitis capitata: a review","authors":"Giulia Giunti, Giovanni Benelli, Orlando Campolo, A. Canale, A. Kapranas, Pablo Liedo, Marc De Meyer, D. Nestel, Luca Ruiu, Francesca Scolari, Xingeng Wang, Nikos T. Papadopoulos","doi":"10.1127/entomologia/2023/2135","DOIUrl":"https://doi.org/10.1127/entomologia/2023/2135","url":null,"abstract":"","PeriodicalId":11728,"journal":{"name":"Entomologia Generalis","volume":"9 22","pages":""},"PeriodicalIF":6.9,"publicationDate":"2023-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138584307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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