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Iron (Fe) and manganese (Mn) are metals commonly found at high concentrations in underground water. These metals are essential for the good functioning of living organisms, but high concentrations lead to imbalance, potentiating the appearance of pathologies. This study aimed to evaluate the effect of exposure to naturally occurring metals in groundwater, using zebrafish (
Danio rerio
) as an experimental model. Thus, zebrafish were exposed to Fe (0.8 and 1.3 mg/L), Mn (0.2 and 0.4 mg/L), and groundwater collected from deep tube wells with Fe and Mn (Fe 0.8/Mn 0.2 mg/L and Fe 1.3/Mn 0.4 mg/L) for 30 days. Bioaccumulation of these metals has been demonstrated in the livers and muscles of zebrafish. Acetylcholinesterase activity changed only in zebrafish muscles in all groups. Sulfhydryl levels changed mainly in the group Mn 0.4. SOD/CAT ratio decreased in the groups Fe 0.8 and 1.3, Mn 0.4, and Fe 0.8/Mn 0.4. An increase in the frequency of micronucleus in all groups was shown as a consequence of these changes. Behavioral parameters (time and distance traveled, mean speed, turn angle, latency, and number of crossings between compartments) have also changed, mainly in the groups Fe 1.3, Mn 0.4, and Fe 1.3/Mn 0.4. Therefore, long-term exposure to Fe and Mn, even at not so high concentrations, may cause biochemical, genotoxic, and behavioral changes in zebrafish.

Environmental science and pollution research international, 2019, Vol.26 (23), p.23555-23570

Iron and manganese present in underground water promote biochemical, genotoxic, and behavioral alterations in zebrafish (Danio rerio)

The chemical composition of the essential oil obtained from the leaves of Helietta apiculata collected in different seasons in southern Brazil, was analyzed by gas chromatography (GC) and gas chromatography/mass spectometry (GC.MS). Twenty-eight compounds were identified and limonene was the major compound found for all seasons, 29.1% (spring), 24.8% (summer), 30.2% (autumn) and 28.5% (winter). The essential oil obtained in summer and autumn yielded higher concentrations of monoterpenes, winter and spring yielded the highest concentrations of sesquiterpenes. The essential oil collected in summer and autumn showed higher activity against the bacteria tested, and the oil collected in spring was effective only against E . coli .

The Journal of essential oil research, 2012, Vol.24 (1), p.13-17

Chemical composition and antibacterial activity of the essential oils from Helietta apiculata Benth. (Rutaceae)

The editors of FEBS Open Bio would like to thank all those who have given their time and expertise to review articles submitted for publication in Volume 11. Tarek Abbas Enass Abdel-hameed Chérine Abou-Faycal Jason Acker Loranne Agius Emad Ahmed Joong-Hoon Ahn Wado Akamatsu Satoshi Akunama Ayodele Alaiya Arshad Ali Malcolm Alison David S. Allan Chiara Allegretti Marco G. Alves Valentin Ambroise Emmanuel Ampofo Kanae Ando Sylvia Andrzejewski Christophe Anjard Siddhesh Aras Patrick Arbuthnot Isaac Armendáriz-Castillo Paolo Arosio Juan José Arredondo Venkatesan Arul Kazuhito Asano Avraham Ashkenazi Essam Assali Ianire Astobiza Nese Atabey Riccardo Autelli Angelo Azzi Monika Baj-Krzyworzeka Oliver Bajt Marica Bakovic Ovidiu Balacescu Miroslav Balaz Pedro Ballester Lawrence Banks Janos Barna Maureen Barr Reetobrata Basu Daniel Batlle Maurizio Battino Maria Eduarda Battistella Daniel J. Becker Alexandre Benedetto Alfonso Benitez-Paez Ivan A. Berg Christina Bergonzo Isabel Bermudez Valeria Bertagnolo Aditi Bhargava Arindam Bhattacharjee Farzana Bhuyan Fabrizio Bianchi Jana Biermann Saikat Biswas Francisco Blanco Bogdan Bochenek Sreedhar Bodiga Mirian Aparecida Boim Mariela Bollati-Fogolin Marielle Boonen Usa Boonyuen Francesca Bosisio Stephanie Marie Bozonet Klaudia Brix Leyre Brizuela Federica Brugnoli Paola Bruni Viljemka Bučević Popović Beáta Bugyi Philipe Bulet Leif Bülow Michal Burdukiewicz Pedro Buzon-Rodriguez Jonas Bystrom Filipe Cabreiro Javier Caceres Lukas Cajanek Jesús Campos-García Reinaldo Campos-Vargas Ihosvany Camps Liu Cao Silvia Capellino Giuseppina Caretti Anthony Carlos Bruno M. Carneiro Ingrid Carvacho Miguel A. Casado-Combreras Sara Castiglioni João Cavalcanti David L. Cedeño Richard A. Cerione Igor Cesarino Jobichen Chacko Parin Chaivisuthangkura Ushati Das Chakravarty Hsueh-Wei Chang Mark Chappell Kausik Chattopadhyay Lee-Young Chau Qi Chen Yu Chen Min Chen Jinbo Cheng Jorge O. Chiapella Ozioma Chioma Esther S. Choi Yu-Ching Chou Goh Eun Chung Valerio Ciccone Patricia Coltri James R. Connor F. Xabier Contreras Lucia Coppo Paulo Correia-de-Sá Federica Cossu Edward J. Crane Ute Curth Agnes Czibula Zsolt Czimmerer Jasmina Damnjanovic Kirsty M. Danielson Tatyana Danyukova Jean Luc Darlix Mads Daugaard Alberto Davalos Albert Davis Regina Day Juan Carlos de la Torre Michael Dean Vishwa Deepak Constantinos A. Alexandros Demopoulos Liesbeth Demuyser Yuru Deng Tuba Denkçeken Jayne Dennis Tom Desmet Satish Devadas Kishor Devalaraja-Narashimha Irene Díaz-Moreno Antonio J. Diaz-Quintana Price Dickson Bauke W. Dijkstra Vittoria Disciglio Francesco Dituri Jose Donato Fabian Dorninger Leonardo dos Reis Silveira Rita Dreier Yifei Du M. Beatriz Durán-Alonso Amit Dutt Nejat Duzgunes Piotr Dziegiel Ivano Eberini Sherien M. El-Daly Carlos A. Elena-Real Elis Eleutherio Jorg Enderlein Jason Eng Sarah England Phei Er Saw Laura Evangelista Paola Fabbri Alan H. Fairlamb Franco Falcone Emilia Falcone Minrui Fan Laszlo Farkas Candida Fasano Carol Feghali-Bostwick Yansheng Feng Ruofei Feng Yingang Feng Julian Fernandez Belen Fernandez Alejandro Ferrando Samuele Ferrari László Fésüs Ana Lúcia Figueiredo Porto Arnaud Firon Rachel Floyd David Foster Sergio Eduardo Longo Fracalanzza Hector Franco Andrew Fry Jing Fu Zhongjie Fu Naonobu Fujita Yasuyuki Fujiwara Yoshitaka Fukada Atsunori Fukuhara Helena Fulka Tadaomi Furuta Shinya Fushinobu Hans-Joachim Gabius Shrikanth Gadad Jennifer Gamble Mariana García Irma Garcia Martinez José Manuel García-Heredia James A. Garnett Domenico Garozzo Marie-Line Garron Maria Gazouli Elena Gazzano Róna Gergely Reena Ghildyal Alessandro Giuffrè Howard Goldfine Jorge Enrique Gómez-Marín Pablo Gonzalez Aliesha Gonzalez-Arenas Katiuska González-Arzola Mark D. Gorrell Sergio A. Gradilone Barish Grant Julie Grantham Darrell Green Jonathan Green Elvira V. Grigorieva Ramon Grima Valentina Grossi Reinhard Gruber Henri Gruffat Paolo Grumati Wenchao Gu Yifeng Gu Pablo Guardado-Calvo Alejandra Guerra-Castellano Nancy Guillen Siqi Guo Ishaan Gupta Emilio Gutierrez Emma E. Hamilton-Williams Marshall Hampton Shuping Han Anis Hanna Nan Hao Richard P. Harbottle Anandwardhan A. Hardikar Brittney Harrington Tarique Noorul Hasan Kazuhiko Hashimoto Jeffrey S. Haug Lukas J. A. C. Hawinkels Yi He Ines Heiland Udo Heinemann Wiljan Hendriks Michael J. Hendzel Rob Henning R. Henrique Shane Hickey Andrew Higham Masaki Hiramoto Kazumi Hirano Kouji Hirota Kohji Hizume Tie Hong John D. Hooper Sandrine Horman Ming-Hon Hou Guy A. Howard Tsung Hua Hsieh Chia-Ling Hsieh Jia Hu Yongye Huang Danny Huang Gloria Huerta-Ángeles Matthias Husmann Maik Hüttemann Taisen Iguchi Maria Ikonomopoulou Andrea Ilari Cristhian Ildefonso Didem Ilter Takeshi Imai Anne Imberty Nobuya Inagaki Valentina Indio Jin-ichi Inokuchi Hideki Inoue Yuji Isegawa Claudio Isella Rie Ishikawa Takeshi Ito Nina Ivanovska Tomoyuki Iwata Elisa Helena Farias Jandrey Jean-Michel Jault Jolanta Jaworek Seon-Yong Jeong Peihua Jiang Sonia Jimeno Silvia Jimeno-González Cheng-Hao Jin Marek Jindra Philip E. Johnson Christopher N. Johnson Shannon Joseph Ivana Josipovic Muhammad Junaid Klaus Jung Dieter Kabelitz Pamela Kakimoto Apinun Kanpiengjai Boleslaw Karwowski Muzaffer Ahmad Kassab Takahiro Kato Pravin Kaumaya Gurmeet Kaur Seiji Kawamoto Koichiro Kawashima Younghoon Kee Lindsey Kennedy Ian D. Kerr Sung Hwan Ki Sunhong Kim Sung Hyun Kim Yoko Kimura Uday Kishore Chandra Kishore Jeffery Klauda Alexa Karina Klettner Dagmara Kłopotowska Erika L. Knott Thilo Kohler Masato Koike Naoya Kojima Kensei Komatsu Hiroyuki Konishi Oliver H. Krämer Jeffrey Kroon Takashi Kudo Veerapol Kukongviriyapun Peter Istvan Kulcsar Sandeep Kumar Dhiraj Kumar Sachin Kumar Mukesh Kumar Ashok Kumar Toshiaki Kume Rita Kundu Petri Kursula Ozgur Kutuk Lawrence N. Kwong Hirohisa Kyogoku Leticia Labriola Csilla Laczka Timothy Y. Y. Lai Sowmya Lakshmi Gilles Lalmanach Mauld Lamarque Otmane Lamrabet Olga Lancho João Laranjinha H. Peter Larsson Janine M. LaSalle Gregory Lavieu Steven James Lawrence Maciej Lech S.Y. Lee Tzong-Shyuan Lee Jin-A Lee Roger Leng Martina Lepore Signorile Gaetano Leto François Letourneur Shugang Li Xaria Li Xiwen Li Jane B. Lian Florence Lichou Daniela Liebsch Ya-Wen Lin Zoltan Lipinszki Mónika Lippai Zheng-Zhao Liu Ganbg Liu Jian Liu Yan-Qun Liu Yuchen Liu Xingguo Liu Sivakumar Loganathan Giselle Lopes Haya Lorberboum-Galski Ricardo O. Louro Thomas Loustau Qingchun Lu Lingeng Lu Edlira Luca Shukun Luo Sihui Ma Yongjie Ma Emilia Maellaro Andrea Magrì Bibekanand Mallick Balca Mardin Luis Antonio Mariñas-Pardo Mozart Marins Sylvie Marleau Sergio Marti Jonathan Martinez-Fabregas Emanuela Masini Pedro Matias Masatoshi Matsunami Yoshiyuki Matsuo Ryo Matsuura Aránzazu Mediero Muthamilarasan Mehanathan Thomas Melendy Carlos Frederick Martins Menck Nerea Mendez-Barbero Yssel Mendoza-Marí Tamas Meszaros Frank Michelangeli Anna Maria Mileo Akira Mima Junsei Mimura Jonathan Minden John D. Minna Joana P. Miranda Hamed Mirzaei Nico Mitro Kosuke Mizutani Miguel Mompeán Luca Monticelli Leire Moreno Katsutaru Morino Assaf Mosquna Jorge Mukdsi Shona Murphy Kevin Myant Taku Nagai Athi Naganathan Shruti Nagaraja Shuichi Nakamura Ikuhiko Nakase Minas Nalbandian Heinz Peter Nasheuer Viswanathan Natarajan Ophir Nave Alex V. Nechiporuk Hovav Nechushtan Simon Newstead Tan Nguyen Juan Nicola Henrietta M. Nielsen Kacper Nijakowski Sasha Nikolic Keisuke Nimura Hiroyuki Nojima Hiroshi Nomura Mohsen Norouzinia Cristina Nowicki Yong-Seok Oh Valentyn Oksenych Mateusz Olbromski Érica Aparecida de Oliveira Fabiola Olivieri Tuğba Önal-Süzek Robert Opitz Stjepan Orhanović Edgardo Ortiz Nigel Page Jinghua Pan Chinmay Kumar Panda Agnieszka Paradowska-Gorycka Bhavin Parekh Arli Aditya Parikesit Inkyu Park William Parson Rakesh Pravinchandra Patel Andrej Pavlovic Milena Paw Stevan Pecic Petr Pecina Gustavo Pedraza-Alva Osvaldo Rodrigues Pereira Junior Oscar Perez-Mendez Rosario Perona Shazib Pervaiz Alessia Peserico A. Petry Bruce Pfeffer Karolina Pierzynowska Giuseppe Pignataro Adrian Pinto-Tomas Astrid Pinzano Karolina Pircs Wojciech Plazinski Emmi Poikulainen Indira D. Pokkunuri Baruh Polis Raffaele Porta Lourival Domingos Possani Sean Post Robert Potts Kontantinos Poulas David R. Poyner Vasilis J. Promponas Anna Przybylska-Piech Glen Pyle Zhengtang Qi Hui-Min Qin Zhenghong Qin Runze Quan Thierry Rabilloud Stefania Raimondo Malini Rajan Peramaiyan Rajendran Sriganesh Ramachandra Rao Joao Ramalho-Santos Eric Gustavo Ramírez-Salazar Sonia Ramos Minakshi Rana Mohammad Reza Raoufy Alberto Rascon P. Hemachandra Reddy Divijendra Natha Reddy S. Simona Reina Thomas Reubold N. Rhaleb Claudia Ribeiro Sonia Rocha Karin Rodland Cesar Rodriguez Jelena Roganovic Katarzyna Rolle Sandra Romero-Cordoba Yikang S. Rong Georcki Ropón-Palacios Kyle Roux Adhiraj Roy Yuri Rubtsov Donald Ruhl Gian Luigi Russo Seongho Ryu Maja Sabol Martin Kwasi Safo Girish Sahni Gloria Salazar Ali Salehzadeh-Yazdi Mario Salvi Mauro Salvi Paola Sanese Prasanna Kumar Santhekadur Thiago de Santana Santos Gerardo Santos-López Dhifaf Sarhan Yasushi Sasaki Naoyuki Sato Shingo Sato Pratik Satya Pauline Schaap Martina Schifferer Thomas Schmidt Barbara Schnierle Kristin Schubert Christine Schwartz John Seddon Rony Segers Yusuke Sekine David Selva Iurii Semenov Ivana Semova Juan Carlos Sepúlveda-Arias Qingli Shang Bojing Shao Kunal Sharan Jyoti Sharma Zheyu Shen Masakazu Shinohara Takahiro Shiotsuki Keiro Shirotani Varda Shoshan-Barmatz Tsuyoshi Shuto Mohammad Imran Siddiqi Edmund Ui-Hang Sim Purva Singh Richa Singhania Lukasz Skalniak Chad Slawson Agnieszka Śmieszek Ivan Smirnov David Smith Martyn T. Smith Akira Sobue Felix Sommer Myungsun Son Yang Song Minseok Song Rana Soylu-Kucharz Brett T. Spear Pietro Speziale L. V. Spirina Anje Sporbert Piyarat Srisawang Ashok Srivastava Alexey Stepanov Angela Stoddart Frank Stubenrauch Chongyu Su Abdulhamit Subasi Chiara Succi Chang Sun Zhen Sun Yuan Sun Prashanth N. Suravajhala Burcu Biterge Sut Youri Svitkin Aron Szabo Yasuh

FEBS open bio, 2021, Vol.11 (12), p.3331-3335

Reviewers acknowledgement

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