Peer review is an essential part in the publication process, ensuring that Microorganisms maintains high quality standards for its published papers. In 2017, a total of 77 papers were published in the journal. Thanks to the cooperation of our reviewers, the median time to first decision was 18 days and the median time to publication was 45 days. The editors would like to express their sincere gratitude to the following reviewers for their time and dedication in 2017:
| Addington, Caroline | Kirst, Henning |
| Afonso, Clélia N. | Klewicka, Elzbieta |
| Alber, Birgit E. | Klose, Holger |
| Alexeyev, Oleg | Kolodkin-Gal, Ilana |
| Alspaugh, J. Andrew | Kuberski, Tim |
| Álvarez, María S. | Kubicek, Christian |
| Antunes, André | Kuuskeri, Jaana |
| Argyri, Anthoula A. | LaMontagne, Michael |
| Arroyo-Lopez, Francisco Noe | LaPointe, Gisèle |
| Asensio, Miguel | Lauder, Bob |
| Avrani, Sarit | Lauerma, Antti |
| Axel, Claudia | Lauzon, Carol R. |
| Axmann, Ilka Maria | Lea-Smith, David |
| Aymerich, Teresa | Lefticariu, Liliana |
| Baldwin, Susan | Lev, Sophie |
| Barral Silva, Maria | Lewis, Jeffrey A. |
| Barriuso, Jorge | Llanes, Catherine |
| Bassi, Daniela | Luna, Gian M. |
| Baumgartner, Kendra | Lyons, Jennifer L. |
| Bemer, Pascale | Lytton, Timothy |
| Benedetti, Anna | Maciá-Vicente, Jose G. |
| Benito, Santiago | Maki, James |
| Bevilacqua, Antonio | McBain, Andrew |
| Bignell, David | McDowell, Andrew |
| Bird, Amanda | Menendez, Esther |
| Bizukojc, Marcin | Mercer, Jason |
| Blacutt, Alex | Moreira, Cristiana |
| Bleve, Gianluca | Moriarty, Thomas Fintan |
| Boll, Joseph | Morley, Krista |
| Bomberg, Malin | Muzzalupo, Innocenzo |
| Bonfield, Tracey L. | Nagata, Yuji |
| Bongiorni, Lucia | Nakajima, Masami |
| Borges, Frédéric | Nemerow, Glen |
| Borghese, Roberto | Nishiyama, Keita |
| Brand, Larry | Nobre, Tania |
| Brown, Amanda | Oelschlägel, Michel |
| Casotti, Raffaella | Olesen, Kjeld |
| Cassier-Chauvat, Corinne | Olson, Michael E. |
| Céline, Laroche | Östman, Örgan |
| Cenci-Goga, Beniamino T. | Panagiotopoulos, Ioannis A. |
| Chai, Yunrong | Patrauchan, Marianna A. |
| Ciofu, Oana | Pérez-Tanoira, Ramón |
| Cocconcelli, Pier Sandro | Petrova, Olga E. |
| Cole, Jeff | Placido, Jersson |
| Collett, Andrew | Pruess, Birgit M. |
| Congestri, Roberta | Pucciarelli, Sandra |
| Conti, Heather | Quirós, Luis M. |
| Cordero, Radamés J.B. | Radek, Renate |
| Cuesta, Isabel | Ramakrishnan, Srinivasan |
| De Curtis, Filippo | Ranadheera, C. Senaka |
| De La Fuente-Núñez, César | Remize, Fabienne |
| Delbarre-Ladrat, Christine | Richard, Peter |
| Dhami, Navdeep Kaur | Rivilla, Rafael |
| Dien, Bruce | Rodriguez, Francisco |
| Domingues, Sara | Roselli, Marianna |
| Donovan, Sharon | Saleem, Muhammad |
| Drosinos, Eleftherios | Salmerón, Ivan |
| Duh, Pin-Der | Sanches, Sandra |
| Dunfield, Peter | Sánchez Mainar, María |
| Durazzo, Alessandra | Sanford, Robert |
| Ehrmann, Matthias A. | Satora, Pawel |
| El Khalloufi, Fatima | Schaberle, Till F. |
| Elisashvili, Vladimir | Schröder, Carola |
| Ene, Iuliana Veronica | Serrano, Aurelio |
| Engelen, Aschwin | Shafer, William M. |
| Enjalbert, Francis | Shalaby, Samer |
| Evilia, Caryn | Shemesh, Moshe |
| Farnoud, Amir | Shoenfeld, Yehuda |
| Farrell, Hazel | Shumway, Sandy |
| Fetissov, Sergueï O. | Siddiqui, Khawar |
| Filannino, Pasquale | Silva, Gabriela Jorge |
| Finley, Rita L. | Sinha, Rohita |
| Fiocco, Daniela | Sipponen, Mika Henrikki |
| Fixen, Kathryn | Skraban, Jure |
| Forsyth, Christopher B. | Sommer, Stephan |
| Fothergill, Joanne | Spano, Giuseppe |
| Fraga, Irene | Spillmann, Dorothe |
| Galanis, Alex | Stella, Simone |
| Gile, Gillian | Stępień, Krzysztof |
| Giron, Jorge Alberto | Strangman, Wendy |
| Gonzalez, Aridane | Strobel, Gary A. |
| Gorrell, Rebecca | Suda, Shoichiro |
| Grbin, Paul | Tan, Kai Soo |
| Grosse, Stephan | Taylor, Joe |
| Gustafson, John | Terzi, Valeria |
| Hallsworth, John E. | Thompson, Andrew |
| Hanson, Buck | Tirloni, Erica |
| Hare, Kim | Titz, Alexander |
| Hauge, Sigrun J. | Topakas, Evangelos |
| Hebert, E.M. | Torriani, Sandra |
| Hemp, James | Tripathi, Ashootosh |
| Hennequin, Claire | Tseng, Chun-Chieh |
| Hill, Darryl | Tuovinen, Olli |
| Hillmann, Falk | Uppuluri, Pyria |
| Holmes, Dawn E | Van Bambeke, Françoise |
| Horie, Masanori | Van Laar, Tricia |
| Hosório, Hugo | Van, Thi Thu Hao |
| Hu, Honghua | Vaneechoutte, Mario |
| Hu, Qing | Varela, Marta |
| Ianieri, Adriana | Verma, Madan |
| Ibrahim, Fandi | Von Bergen, Martin |
| Insam, Heribert | Wan, Xuehua |
| Iorizzo, Massimo | Wasmund, Kenneth |
| Jackson, Andrew | Weighardt, Heike |
| Jackson, Stephen A. | Wemheuer, Franziska |
| Janbon, Guilhem | White, James |
| Jass, Jana | Wojcieszyńska, Danuta |
| Jehmlich, Nico | Wolf-Rainer, Abraham |
| Jennings, Jessica | Wozniak, Karen |
| Johnston, Simon | Ximenes, Eduardo |
| Jorand, Frédéric P.A. | Yan, Aixin |
| Jordao, Luisa | Yokawa, Ken |
| Kaminskyj, Susan G.W. | Zan, Jindong |
| Kenyon, Willian | Zonaro, Emanuele |