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1. Comparative analysis indicates that alternative splicing in plants has a limited role in functional expansion of the proteome

Author

Stiekema Willem J, van Dijk Aalt DJ, Severing Edouard I, and van Ham Roeland CHJ

Subjects
Biotechnology, TP248.13-248.65, Genetics, QH426-470
Abstract

Abstract Background Alternative splicing (AS) is a widespread phenomenon in higher eukaryotes but the extent to which it leads to functional protein isoforms and to proteome expansion at large is still a matter of debate. In contrast to animal species, for which AS has been studied extensively at the protein and functional level, protein-centered studies of AS in plant species are scarce. Here we investigate the functional impact of AS in dicot and monocot plant species using a comparative approach. Results Detailed comparison of AS events in alternative spliced orthologs from the dicot Arabidopsis thaliana and the monocot Oryza sativa (rice) revealed that the vast majority of AS events in both species do not result from functional conservation. Transcript isoforms that are putative targets for the nonsense-mediated decay (NMD) pathway are as likely to contain conserved AS events as isoforms that are translated into proteins. Similar results were obtained when the same comparison was performed between the two more closely related monocot species rice and Zea mays (maize). Genome-wide computational analysis of functional protein domains encoded in alternatively and constitutively spliced genes revealed that only the RNA recognition motif (RRM) is overrepresented in alternatively spliced genes in all species analyzed. In contrast, three domain types were overrepresented in constitutively spliced genes. AS events were found to be less frequent within than outside predicted protein domains and no domain type was found to be enriched with AS introns. Analysis of AS events that result in the removal of complete protein domains revealed that only a small number of domain types is spliced-out in all species analyzed. Finally, in a substantial fraction of cases where a domain is completely removed, this domain appeared to be a unit of a tandem repeat. Conclusion The results from the ortholog comparisons suggest that the ability of a gene to produce more than one functional protein through AS does not persist during evolution. Cross-species comparison of the results of the protein-domain oriented analyses indicates little correspondence between the analyzed species. Based on the premise that functional genetic features are most likely to be conserved during evolution, we conclude that AS has only a limited role in functional expansion of the proteome in plants.

Published
2009
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2. Comparative BAC end sequence analysis of tomato and potato reveals overrepresentation of specific gene families in potato

Author

Visser Richard GF, Giovannoni James J, Buels Robert, Mueller Lukas A, Datema Erwin, Stiekema Willem J, and van Ham Roeland CHJ

Subjects
Botany, QK1-989
Abstract

Abstract Background Tomato (Solanum lycopersicon) and potato (S. tuberosum) are two economically important crop species, the genomes of which are currently being sequenced. This study presents a first genome-wide analysis of these two species, based on two large collections of BAC end sequences representing approximately 19% of the tomato genome and 10% of the potato genome. Results The tomato genome has a higher repeat content than the potato genome, primarily due to a higher number of retrotransposon insertions in the tomato genome. On the other hand, simple sequence repeats are more abundant in potato than in tomato. The two genomes also differ in the frequency distribution of SSR motifs. Based on EST and protein alignments, potato appears to contain up to 6,400 more putative coding regions than tomato. Major gene families such as cytochrome P450 mono-oxygenases and serine-threonine protein kinases are significantly overrepresented in potato, compared to tomato. Moreover, the P450 superfamily appears to have expanded spectacularly in both species compared to Arabidopsis thaliana, suggesting an expanded network of secondary metabolic pathways in the Solanaceae. Both tomato and potato appear to have a low level of microsynteny with A. thaliana. A higher degree of synteny was observed with Populus trichocarpa, specifically in the region between 15.2 and 19.4 Mb on P. trichocarpa chromosome 10. Conclusion The findings in this paper present a first glimpse into the evolution of Solanaceous genomes, both within the family and relative to other plant species. When the complete genome sequences of these species become available, whole-genome comparisons and protein- or repeat-family specific studies may shed more light on the observations made here.

Published
2008
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7. Towards Plantibody-Mediated Resistance Against Nematodes

Author

Stiekema, Willem J., Bosch, Dirk, Wilmink, Annemiek, De Boer, Jan M., Schouten, Alexander, Roosien, Jan, Goverse, Aska, Smant, Gert, Stokkermans, Jack, Gommers, Fred J., Schots, Arjen, Bakker, Jaap, Fenoll, C., editor, Grundler, F. M. W., editor, and Ohl, S. A., editor

Published
1997
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17. Genetic and functional characterization of the gene cluster directing the biosynthesis of putisolvin I and II in Pseudomonas putida strain PCL1445

Author

Dubern, Jean-Frederic, Coppoolse, Eric R., Stiekema, Willem J., and Bloemberg, Guido V.

Subjects
Microbial mats -- Production processes, Microbial mats -- Research, Pseudomonas putida -- Health aspects, Pseudomonas putida -- Genetic aspects, Pseudomonas putida -- Research, Biological sciences
Abstract

Pseudomonas putida PCL1445 secretes two cyclic lipopeptides, putisolvin I and putisolvin II, which possess a surface-tension-reducing ability, and are able to inhibit biofilm formation and to break down biofilms of Pseudomonas species including Pseudomonas aeruginosa. The putisolvin synthetase gene cluster (pso) and its surrounding region were isolated, sequenced and characterized. Three genes, termed psoA, psoB and psoC, were identified and shown to be involved in putisolvin biosynthesis. The gene products encode the 12 modules responsible for the binding of the 12 amino acids of the putisolvin peptide moiety. Sequence data indicate that the adenylation domain of the 11th module prioritizes the recognition of Val instead of Leu or lle and consequently favours putisolvin I production over putisolvin II. Detailed analysis of the thiolation domains suggests that the first nine modules recognize the D form of the amino acid residues while the two following modules recognize the L form and the last module the L or D form, indifferently. The psoR gene, which is located upstream of psoA, shows high similarity to luxR-type regulatory genes and is required for the expression of the pso cluster. In addition, two genes, macA and macB, located downstream of psoC were identified and shown to be involved in putisolvin production or export.

Published
2008

21. Abstracts

Author

Anderluh, Gregor, Barlič, Ariana, Podlesek, Zdravko, Menestrina, Gianfranco, Maček, Peter, Gubenšek, Franc, Bavec, Alioša, Cigiš, Blaž, Zorko, Matjaž, Čopič, Alenka, Vučemilo, Nataša, Križaj, Igor, Ivanovski, Gabriela, Pungerčar, Jože, Jeras, M., Tongio, M.-M., Rižner, Tea Lanišnik, Moeller, Gabriele, Thole, Hubert H., Žakelj-Mavrič, Marija, Adamski, Jerzy, Malovrh, Petra, Montecucco, C., Papini, E., De Bernard, M., Molinari, M., Satin, B., Pelicic, V., Pogačar, M., Rižner, T. Lanišnik, Zorko, M., Žakelj-Mavrič, M., Rogelj, Boris, Ritonja, Anka, Popovič, Tatjana, Brzin, Jože, Rozman, Jerica, Stojan, Jure, Kuhelj, Robert, Turk, Vito, Turk, Boris, Štrukelj, Borut, Gruden, Kristina, Lenarčič, Brigita, Bosch, Dirk, Stiekema, Willem J., Jongsma, Maarten A., Župunski, Vera, and Kordiš, Dušan

Published
2000
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23. The tomato genome sequence provides insights into fleshy fruit evolution

Author

Sato, Shusei, Tabata, Satoshi, Hirakawa, Hideki, Asamizu, Erika, Shirasawa, Kenta, Isobe, Sachiko, Kaneko, Takakazu, Nakamura, Yasukazu, Shibata, Daisuke, Aoki, Koh, Egholm, Michael, Knight, James, Bogden, Robert, Li, Changbao, Shuang, Yang, Xu, Xun, Pan, Shengkai, Cheng, Shifeng, Liu, Xin, Ren, Yuanyuan, Wang, Jun, Albiero, Alessandro, Dal Pero, Francesca, Todesco, Sara, Van Eck, Joyce, Buels, Robert M., Bombarely, Aureliano, Gosselin, Joseph R., Huang, Minyun, Leto, Jonathan A., Menda, Naama, Strickler, Susan, Mao, Linyong, Gao, Shan, Tecle, Isaak Y., York, Thomas, Zheng, Yi, Vrebalov, Julia T., Lee, JeMin, Zhong, Silin, Mueller, Lukas A., Stiekema, Willem J., Ribeca, Paolo, Alioto, Tyler, Yang, Wencai, Huang, Sanwen, Du, Yongchen, Zhang, Zhonghua, Gao, Jianchang, Guo, Yanmei, Wang, Xiaoxuan, Li, Ying, He, Jun, Li, Chuanyou, Cheng, Zhukuan, Zuo, Jianru, Ren, Jianfeng, Zhao, Jiuhai, Yan, Liuhua, Jiang, Hongling, Wang, Bao, Li, Hongshuang, Li, Zhenjun, Fu, Fuyou, Chen, Bingtang, Han, Bin, Feng, Qi, Fan, Danlin, Wang, Ying, Ling, Hongqing, Xue, Yongbiao, Ware, Doreen, Richard McCombie, W., Lippman, Zachary B., Chia, Jer-Ming, Jiang, Ke, Pasternak, Shiran, Gelley, Laura, Kramer, Melissa, Anderson, Lorinda K., Chang, Song-Bin, Royer, Suzanne M., Shearer, Lindsay A., Stack, Stephen M., Rose, Jocelyn K. C., Xu, Yimin, Eannetta, Nancy, Matas, Antonio J., McQuinn, Ryan, Tanksley, Steven D., Camara, Francisco, Guigó, Roderic, Rombauts, Stephane, Fawcett, Jeffrey, Van de Peer, Yves, Zamir, Dani, Liang, Chunbo, Spannagl, Manuel, Gundlach, Heidrun, Bruggmann, Remy, Mayer, Klaus, Jia, Zhiqi, Zhang, Junhong, Ye, Zhibiao, Bishop, Gerard J., Butcher, Sarah, Lopez-Cobollo, Rosa, Buchan, Daniel, Filippis, Ioannis, Abbott, James, Dixit, Rekha, Singh, Manju, Singh, Archana, Kumar Pal, Jitendra, Pandit, Awadhesh, Kumar Singh, Pradeep, Kumar Mahato, Ajay, Dogra, Vivek, Gaikwad, Kishor, Raj Sharma, Tilak, Mohapatra, Trilochan, Kumar Singh, Nagendra, Causse, Mathilde, Rothan, Christophe, Schiex, Thomas, Noirot, Céline, Bellec, Arnaud, Klopp, Christophe, Delalande, Corinne, Berges, Hélène, Mariette, Jérôme, Frasse, Pierre, Vautrin, Sonia, Zouine, Mohamed, Latché, Alain, Rousseau, Christine, Regad, Farid, Pech, Jean-Claude, Philippot, Murielle, Bouzayen, Mondher, Pericard, Pierre, Osorio, Sonia, Fernandez del Carmen, Asunción, Monforte, Antonio, Granell, Antonio, Fernandez-Muñoz, Rafael, Conte, Mariana, Lichtenstein, Gabriel, Carrari, Fernando, De Bellis, Gianluca, Fuligni, Fabio, Peano, Clelia, Grandillo, Silvana, Termolino, Pasquale, Pietrella, Marco, Fantini, Elio, Falcone, Giulia, Fiore, Alessia, Giuliano, Giovanni, Lopez, Loredana, Facella, Paolo, Perrotta, Gaetano, Daddiego, Loretta, Bryan, Glenn, Orozco, Modesto, Pastor, Xavier, Torrents, David, van Schriek, Marco G. M., Feron, Richard M.C., van Oeveren, Jan, de Heer, Peter, daPonte, Lorena, Jacobs-Oomen, Saskia, Cariaso, Mike, Prins, Marcel, van Eijk, Michiel J. T., Janssen, Antoine, van Haaren, Mark J. J., Jo, Sung-Hwan, Kim, Jungeun, Kwon, Suk-Yoon, Kim, Sangmi, Koo, Dal-Hoe, Lee, Sanghyeob, Hur, Cheol-Goo, Clouser, Christopher, Rico, Alain, Hallab, Asis, Gebhardt, Christiane, Klee, Kathrin, Jöcker, Anika, Warfsmann, Jens, Göbel, Ulrike, Kawamura, Shingo, Yano, Kentaro, Sherman, Jamie D., Fukuoka, Hiroyuki, Negoro, Satomi, Bhutty, Sarita, Chowdhury, Parul, Chattopadhyay, Debasis, Datema, Erwin, Smit, Sandra, Schijlen, Elio G. W. M., van de Belt, Jose, van Haarst, Jan C., Peters, Sander A., van Staveren, Marjo J., Henkens, Marleen H. C., Mooyman, Paul J. W., Hesselink, Thamara, van Ham, Roeland C. H. J., Jiang, Guoyong, Droege, Marcus, Choi, Doil, Kang, Byung-Cheol, Dong Kim, Byung, Park, Minkyu, Kim, Seungill, Yeom, Seon-In, Lee, Yong-Hwan, Choi, Yang-Do, Li, Guangcun, Gao, Jianwei, Liu, Yongsheng, Huang, Shengxiong, Fernandez-Pedrosa, Victoria, Collado, Carmen, Zuñiga, Sheila, Wang, Guoping, Cade, Rebecca, Dietrich, Robert A., Rogers, Jane, Knapp, Sandra, Fei, Zhangjun, White, Ruth A., Thannhauser, Theodore W., Giovannoni, James J., Angel Botella, Miguel, Gilbert, Louise, Gonzalez, Ramon, Luis Goicoechea, Jose, Yu, Yeisoo, Kudrna, David, Collura, Kristi, Wissotski, Marina, Wing, Rod, Schoof, Heiko, Meyers, Blake C., Bala Gurazada, Aishwarya, Green, Pamela J., Mathur, Saloni, Vyas, Shailendra, Solanke, Amolkumar U., Kumar, Rahul, Gupta, Vikrant, Sharma, Arun K., Khurana, Paramjit, Khurana, Jitendra P., Tyagi, Akhilesh K., Dalmay, Tamas, Mohorianu, Irina, Walts, Brandon, Chamala, Srikar, Brad Barbazuk, W., Li, Jingping, Guo, Hui, Lee, Tae-Ho, Wang, Yupeng, Zhang, Dong, Paterson, Andrew H., Wang, Xiyin, Tang, Haibao, Barone, Amalia, Luisa Chiusano, Maria, Raffaella Ercolano, Maria, D’Agostino, Nunzio, Di Filippo, Miriam, Traini, Alessandra, Sanseverino, Walter, Frusciante, Luigi, Seymour, Graham B., Elharam, Mounir, Fu, Ying, Hua, Axin, Kenton, Steven, Lewis, Jennifer, Lin, Shaoping, Najar, Fares, Lai, Hongshing, Qin, Baifang, Qu, Chunmei, Shi, Ruihua, White, Douglas, White, James, Xing, Yanbo, Yang, Keqin, Yi, Jing, Yao, Ziyun, Zhou, Liping, Roe, Bruce A., Vezzi, Alessandro, D’Angelo, Michela, Zimbello, Rosanna, Schiavon, Riccardo, Caniato, Elisa, Rigobello, Chiara, Campagna, Davide, Vitulo, Nicola, Valle, Giorgio, Nelson, David R., De Paoli, Emanuele, Szinay, Dora, de Jong, Hans H., Bai, Yuling, Visser, Richard G. F., Klein Lankhorst, René M., Beasley, Helen, McLaren, Karen, Nicholson, Christine, Riddle, Claire, and Gianese, Giulio

Published
2012
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45. Dissection of a synthesized quantitative trait to characterize transgene interactions

Author

Nap, Jan-Peter, Conner, Anthony J., Mlynarova, Ludmila, Stiekema, Willem J., and Jansen, Ritsert C.

Subjects
Genetically modified plants -- Analysis, Biological sciences
Abstract

Six transgenic tobacco lines, each homozygous for the [Beta]-glucuronidase (GUS) gene at a different locus, and wild type were selfed and intercrossed to evaluate GUS activity in all possible hemizygous, homozygous and dihybrid combinations of GUS alleles. The transgenic lines are characterized by their GUS activity (two low, three intermediate, one high), T-DNA complexity (four single-copy, two more complex single-locus) and the presence of the chicken lysozyme matrix-associated region (MAR) around the full T-DNA (two lines). Gene action and interaction was analyzed by weighted linear regression with parameters for additivity, dominance and epistasis. The analysis showed that each of the four single-copy lines acted fully additively. In contrast, the two complex single-locus lines showed classical single-locus overdominance and were epistatic dominant over all other GUS alleles. The latter is manifested in severe suppression of GUS activity in dihybrid lines, irrespective of the presence of MAR elements around the GUS gene. Such elements apparently do not protect against epistatic dominance. The quantitative data suggested that the epistatic dominance and overdominance are based on the same molecular mechanism. Our approach of a genetic analysis of quantitative variation in well-characterized transgenic lines provides a powerful tool to gain insight into complex plant traits.

Published
1997

48. Different domains of Bacillus thuringiensis delta-endotoxins can bind to insect midgut membrane proteins on ligand blots

Author

de Maagd, Ruud A., van der Klei, Hilde, Bakker, Petra L., Stiekema, Willem J., and Bosch, Dirk

Subjects
Bacillus thuringiensis -- Physiological aspects, Protein binding -- Research, Membrane proteins -- Physiological aspects, Biological sciences
Abstract

A study of the binding behavior of the constituent domains of CryIA(b) and CryIA(c) demonstrates interactions of insect membrane proteins with both domain II and III. Domain III of CryIA(b) and domains II and III of CryIA(c) bind to 205-kDa proteins of Spodoptera exigua blots and 210-kDa and 250-kDa proteins of Manduca sexta blots respectively, while other domains show no specific binding. CryIA(c) in M. sexta interacts with 210-kDa protein via domain I and/or domain II.

Published
1996

49. Domain III substitution in Bacillus thuringiensis delta-endotoxin cryIA(b) results in superior toxicity for Spodoptera exigua and altered membrane protein recognition

Author

Maggd, Ruud A. de, Kwa, Marcel S.G., Klei, Hilde van der, Yamamoto, Takashi, Schipper, Bert, Vlak, Just M., Stiekema, Willem J., and Bosch, Dirk

Subjects
Biochemical toxicology -- Research, Bacillus thuringiensis -- Analysis, Biological sciences
Abstract

In vivo recombination is used to produce a number of cryIA(b)-cryIC hybrid genes and determine whether the substitution of domain III of Bacillus thuringiensis delta-endotoxin proteins can improve toxicity to Spodoptera exigua. Results suggest that the substitution of domain III can increase the repertoire of available toxins for pest insects. Domain III is also involved in binding to gut epithelium membrane proteins of S. exigua.

Published
1996

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