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Guan X, Mao Y, Stiller JW, Shu S, Pang Y, Qu W, Zhang Z, Tang F, Qian H, Chen R, Sun B, Guoying D, Mo Z, Kong F, Tang X, Wang D. Comparative Gene Expression and Physiological Analyses Reveal Molecular Mechanisms in Wound-Induced Spore Formation in the Edible Seaweed Nori. FRONTIERS IN PLANT SCIENCE 2022; 13:840439. [PMID: 35371140 PMCID: PMC8969420 DOI: 10.3389/fpls.2022.840439] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 02/24/2022] [Indexed: 05/27/2023]
Abstract
Genetic reprogramming of differentiated cells is studied broadly in multicellular Viridiplantae as an adaptation to herbivory or damage; however, mechanisms underlying cell development and redifferentiation are largely unknown in red algae, their nearest multicellular relatives. Here we investgate cell reprogramming in the widely cultivated, edible seaweed Neopyropia yezoesis ("nori"), where vegetative cells in wounded blades differentiate and release as large numbers of asexual spores. Based upon physiological changes and transcriptomic dynamics after wound stress in N. yezoensis and its congener Neoporphyra haitanensis, another cultivar that does not differentiate spores after wounding, we propose a three-phase model of wound-induced spore development in N. yezoensis. In Phase I, propagation of ROS by RBOH and SOD elicites systematic transduction of the wound signal, while Ca2+ dependent signaling induces cell reprogramming. In Phase II, a TOR signaling pathway and regulation of cyclin and CDK genes result in cell divisions that spread inward from the wound edge. Once sporangia form, Phase III involves expression of proteins required for spore maturation and cell wall softening. Our analyses not only provide the first model for core molecular processes controlling cellular reprogramming in rhodophytes, but also have practical implications for achieving greater control over seeding in commercial nori farming.
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Affiliation(s)
- Xiaowei Guan
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Yunxiang Mao
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- Key Laboratory of Utilization and Conservation for Tropical Marine Bioresources (Hainan Tropical Ocean University), Ministry of Education, Sanya, China
| | - John W. Stiller
- Department of Biology, East Carolina University, Greenville, NC, United States
| | - Shanshan Shu
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Ying Pang
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Weihua Qu
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Zehao Zhang
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Fugeng Tang
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Huijuan Qian
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Rui Chen
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Bin Sun
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Du Guoying
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Zhaolan Mo
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Fanna Kong
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Xianghai Tang
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
| | - Dongmei Wang
- Key Laboratory of Marine Genetics and Breeding (OUC), Ministry of Education, Qingdao, China
- College of Marine Life Sciences, Ocean University of China, Qingdao, China
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Wade R, Augyte S, Harden M, Nuzhdin S, Yarish C, Alberto F. Macroalgal germplasm banking for conservation, food security, and industry. PLoS Biol 2020; 18:e3000641. [PMID: 32058997 PMCID: PMC7046291 DOI: 10.1371/journal.pbio.3000641] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Revised: 02/27/2020] [Indexed: 01/02/2023] Open
Abstract
Ex situ seed banking was first conceptualized and implemented in the early 20th century to maintain and protect crop lines. Today, ex situ seed banking is important for the preservation of heirloom strains, biodiversity conservation and ecosystem restoration, and diverse research applications. However, these efforts primarily target microalgae and terrestrial plants. Although some collections include macroalgae (i.e., seaweeds), they are relatively few and have yet to be connected via any international, coordinated initiative. In this piece, we provide a brief introduction to macroalgal germplasm banking and its application to conservation, industry, and mariculture. We argue that concerted effort should be made globally in germline preservation of marine algal species via germplasm banking with an overview of the technical advances for feasibility and ensured success. Seaweed germplasm banking is an important resource for biodiversity conservation, human food security, and industry innovation. This Perspective article maintains that an international, coordinative initiative is needed to fully develop and capitalize on this resource.
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Affiliation(s)
- Rachael Wade
- University of Wisconsin Milwaukee, Milwaukee, Wisconsin, United States of America
- * E-mail:
| | - Simona Augyte
- University of Connecticut Stamford, Stamford, Connecticut, United States of America
| | - Maddelyn Harden
- University of Southern California, Los Angeles, California, United States of America
| | - Sergey Nuzhdin
- University of Southern California, Los Angeles, California, United States of America
| | - Charles Yarish
- University of Connecticut Stamford, Stamford, Connecticut, United States of America
| | - Filipe Alberto
- University of Wisconsin Milwaukee, Milwaukee, Wisconsin, United States of America
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Stiller JW, Yang C, Collén J, Kowalczyk N, Thompson BE. Evolution and expression of core SWI/SNF genes in red algae. JOURNAL OF PHYCOLOGY 2018; 54:879-887. [PMID: 30288746 DOI: 10.1111/jpy.12795] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Accepted: 09/11/2018] [Indexed: 06/08/2023]
Abstract
Red algae are the oldest identifiable multicellular eukaryotes, with a fossil record dating back more than a billion years. During that time two major rhodophyte lineages, bangiophytes and florideophytes, have evolved varied levels of morphological complexity. These two groups are distinguished, in part, by different patterns of multicellular development, with florideophytes exhibiting a far greater diversity of morphologies. Interestingly, during their long evolutionary history, there is no record of a rhodophyte achieving the kinds of cellular and tissue-specific differentiation present in other multicellular algal lineages. To date, the genetic underpinnings of unique aspects of red algal development are largely unexplored; however, they must reflect the complements and patterns of expression of key regulatory genes. Here we report comparative evolutionary and gene expression analyses of core subunits of the SWI/SNF chromatin-remodeling complex, which is implicated in cell differentiation and developmental regulation in more well studied multicellular groups. Our results suggest that a single, canonical SWI/SNF complex was present in the rhodophyte ancestor, with gene duplications and evolutionary diversification of SWI/SNF subunits accompanying the evolution of multicellularity in the common ancestor of bangiophytes and florideophytes. Differences in how SWI/SNF chromatin remodeling evolved subsequently, in particular gene losses and more rapid divergence of SWI3 and SNF5 in bangiophytes, could help to explain why they exhibit a more limited range of morphological complexity than their florideophyte cousins.
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Affiliation(s)
- John W Stiller
- Department of Biology, East Carolina University, Greenville, North Carolina, 27858, USA
| | - Chunlin Yang
- Department of Pharmacology and Toxicology, Indiana University School of Medicine, Indianapolis, Indiana, 46202, USA
| | - Jonas Collén
- Sorbonne Université, CNRS, Integrative Biology of Marine Models (LBI2M), Station Biologique de Roscoff (SBR), 29680, Roscoff, France
| | - Nathalie Kowalczyk
- Sorbonne Université, CNRS, Integrative Biology of Marine Models (LBI2M), Station Biologique de Roscoff (SBR), 29680, Roscoff, France
| | - Beth E Thompson
- Department of Biology, East Carolina University, Greenville, North Carolina, 27858, USA
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The PII signaling protein from red algae represents an evolutionary link between cyanobacterial and Chloroplastida PII proteins. Sci Rep 2018; 8:790. [PMID: 29335634 PMCID: PMC5768801 DOI: 10.1038/s41598-017-19046-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 12/15/2017] [Indexed: 11/16/2022] Open
Abstract
PII superfamily consists of widespread signal transduction proteins found in all domains of life. Whereas they are well-studied in Archaea, Bacteria and Chloroplastida, no PII homolog has been analyzed in Rhodophyta (red algae), where PII is encoded by a chloroplast localized glnB gene. Here, we characterized relevant sensory properties of PII from the red alga Porphyra purpurea (PpPII) in comparison to PII proteins from different phyla of oxygenic phototrophs (cyanobacteria, Chlamydomonas and Physcomitrella) to assess evolutionary conservation versus adaptive properties. Like its cyanobacterial counterparts, PpPII binds ATP/ADP and 2-oxoglutarate in synergy with ATP. However, green algae and land plant PII proteins lost the ability to bind ADP. In contrast to PII proteins from green algae and land plants, PpPII enhances the activity of N-acetyl-L-glutamate kinase (NAGK) and relieves it from feedback inhibition by arginine in a glutamine-independent manner. Like PII from Chloroplastida, PpPII is not able to interact with the cyanobacterial transcriptional co-activator PipX. These data emphasize the conserved role of NAGK as a major PII-interactor throughout the evolution of oxygenic phototrophs, and confirms the specific role of PipX for cyanobacteria. Our results highlight the PII signaling system in red algae as an evolutionary intermediate between Cyanobacteria and Chlorophyta.
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Insights into the red algae and eukaryotic evolution from the genome of Porphyra umbilicalis (Bangiophyceae, Rhodophyta). Proc Natl Acad Sci U S A 2017; 114:E6361-E6370. [PMID: 28716924 DOI: 10.1073/pnas.1703088114] [Citation(s) in RCA: 120] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Porphyra umbilicalis (laver) belongs to an ancient group of red algae (Bangiophyceae), is harvested for human food, and thrives in the harsh conditions of the upper intertidal zone. Here we present the 87.7-Mbp haploid Porphyra genome (65.8% G + C content, 13,125 gene loci) and elucidate traits that inform our understanding of the biology of red algae as one of the few multicellular eukaryotic lineages. Novel features of the Porphyra genome shared by other red algae relate to the cytoskeleton, calcium signaling, the cell cycle, and stress-tolerance mechanisms including photoprotection. Cytoskeletal motor proteins in Porphyra are restricted to a small set of kinesins that appear to be the only universal cytoskeletal motors within the red algae. Dynein motors are absent, and most red algae, including Porphyra, lack myosin. This surprisingly minimal cytoskeleton offers a potential explanation for why red algal cells and multicellular structures are more limited in size than in most multicellular lineages. Additional discoveries further relating to the stress tolerance of bangiophytes include ancestral enzymes for sulfation of the hydrophilic galactan-rich cell wall, evidence for mannan synthesis that originated before the divergence of green and red algae, and a high capacity for nutrient uptake. Our analyses provide a comprehensive understanding of the red algae, which are both commercially important and have played a major role in the evolution of other algal groups through secondary endosymbioses.
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Im S, Lee HN, Jung HS, Yang S, Park EJ, Hwang MS, Jeong WJ, Choi DW. Transcriptome-Based Identification of the Desiccation Response Genes in Marine Red Algae Pyropia tenera (Rhodophyta) and Enhancement of Abiotic Stress Tolerance by PtDRG2 in Chlamydomonas. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2017; 19:232-245. [PMID: 28421378 DOI: 10.1007/s10126-017-9744-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Accepted: 03/06/2017] [Indexed: 06/07/2023]
Abstract
Pyropia tenera (Kjellman) are marine red algae that grow in the intertidal zone and lose more than 90% of water during hibernal low tides every day. In order to identify the desiccation response gene (DRG) in P. tenera, we generated 1,444,210 transcriptome sequences using the 454-FLX platform from the gametophyte under control and desiccation conditions. De novo assembly of the transcriptome reads generated 13,170 contigs, covering about 12 Mbp. We selected 1160 differentially expressed genes (DEGs) in response to desiccation stress based on reads per kilobase per million reads (RPKM) expression values. As shown in green higher plants, DEGs under desiccation are composed of two groups of genes for gene regulation networks and functional proteins for carbohydrate metabolism, membrane perturbation, compatible solutes, and specific proteins similar to higher plants. DEGs that show no significant homology with known sequences in public databases were selected as DRGs in P. tenera. PtDRG2 encodes a novel polypeptide of 159 amino acid residues locating chloroplast. When PtDRG2 was overexpressed in Chlamydomonas, the PtDRG2 confer mannitol and salt tolerance in transgenic cells. These results suggest that Pyropia may possess novel genes that differ from green plants, although the desiccation tolerance mechanism in red algae is similar to those of higher green plants. These transcriptome sequences will facilitate future studies to understand the common processes and novel mechanisms involved in desiccation stress tolerance in red algae.
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Affiliation(s)
- Sungoh Im
- Department of Biology Education, Chonnam National University and Khumho Research Institute, Gwangju, 61186, South Korea
| | - Ha-Nul Lee
- Department of Biology Education, Chonnam National University and Khumho Research Institute, Gwangju, 61186, South Korea
| | - Hyun Shin Jung
- Department of Biology Education, Chonnam National University and Khumho Research Institute, Gwangju, 61186, South Korea
| | - Sunghwan Yang
- Department of Biology Education, Chonnam National University and Khumho Research Institute, Gwangju, 61186, South Korea
| | - Eun-Jeong Park
- Seaweed Research Center, National Fisheries Research and Development Institute, Mokpo, 58746, South Korea
| | - Mi Sook Hwang
- Seaweed Research Center, National Fisheries Research and Development Institute, Mokpo, 58746, South Korea
| | - Won-Joong Jeong
- Plant Systems Engineering Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, South Korea
| | - Dong-Woog Choi
- Department of Biology Education, Chonnam National University and Khumho Research Institute, Gwangju, 61186, South Korea.
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Hafting JT, Craigie JS, Stengel DB, Loureiro RR, Buschmann AH, Yarish C, Edwards MD, Critchley AT. Prospects and challenges for industrial production of seaweed bioactives. JOURNAL OF PHYCOLOGY 2015; 51:821-837. [PMID: 26986880 DOI: 10.1111/jpy.12326] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Accepted: 06/09/2015] [Indexed: 06/05/2023]
Abstract
Large-scale seaweed cultivation has been instrumental in globalizing the seaweed industry since the 1950s. The domestication of seaweed cultivars (begun in the 1940s) ended the reliance on natural cycles of raw material availability for some species, with efforts driven by consumer demands that far exceeded the available supplies. Currently, seaweed cultivation is unrivaled in mariculture with 94% of annual seaweed biomass utilized globally being derived from cultivated sources. In the last decade, research has confirmed seaweeds as rich sources of potentially valuable, health-promoting compounds. Most existing seaweed cultivars and current cultivation techniques have been developed for producing commoditized biomass, and may not necessarily be optimized for the production of valuable bioactive compounds. The future of the seaweed industry will include the development of high value markets for functional foods, cosmeceuticals, nutraceuticals, and pharmaceuticals. Entry into these markets will require a level of standardization, efficacy, and traceability that has not previously been demanded of seaweed products. Both internal concentrations and composition of bioactive compounds can fluctuate seasonally, geographically, bathymetrically, and according to genetic variability even within individual species, especially where life history stages can be important. History shows that successful expansion of seaweed products into new markets requires the cultivation of domesticated seaweed cultivars. Demands of an evolving new industry based upon efficacy and standardization will require the selection of improved cultivars, the domestication of new species, and a refinement of existing cultivation techniques to improve quality control and traceability of products.
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Affiliation(s)
- Jeff T Hafting
- Acadian Seaplants Limited, 30 Brown Avenue, Cornwallis, Nova Scotia, Canada
| | - James S Craigie
- Acadian Seaplants Limited, 30 Brown Avenue, Cornwallis, Nova Scotia, Canada
| | - Dagmar B Stengel
- Botany and Plant Science, School of Natural Sciences & Ryan Institute for Environmental, Galway, Ireland
| | - Rafael R Loureiro
- Department of Biology, Ave Maria University, Ave Maria, Florida, USA
| | | | - Charles Yarish
- Department of Ecology & Evolutionary Biology, University of Conneticut, Stamford, Connecticut, USA
| | | | - Alan T Critchley
- Acadian Seaplants Limited, 30 Brown Avenue, Cornwallis, Nova Scotia, Canada
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Mikami K. Structural divergence and loss of phosphoinositide-specific phospholipase C signaling components during the evolution of the green plant lineage: implications from structural characteristics of algal components. FRONTIERS IN PLANT SCIENCE 2014; 5:380. [PMID: 25140171 PMCID: PMC4122161 DOI: 10.3389/fpls.2014.00380] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2014] [Accepted: 07/17/2014] [Indexed: 05/03/2023]
Affiliation(s)
- Koji Mikami
- Division of Marine Life Science, Genetics and Genomics, Faculty of Fisheries Sciences, Hokkaido UniversityHakodate, Japan
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Sample sequencing of vascular plants demonstrates widespread conservation and divergence of microRNAs. Nat Commun 2014; 5:3722. [PMID: 24759728 DOI: 10.1038/ncomms4722] [Citation(s) in RCA: 126] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2013] [Accepted: 03/26/2014] [Indexed: 01/13/2023] Open
Abstract
Small RNAs are pivotal regulators of gene expression that guide transcriptional and post-transcriptional silencing mechanisms in eukaryotes, including plants. Here we report a comprehensive atlas of sRNA and miRNA from 3 species of algae and 31 representative species across vascular plants, including non-model plants. We sequence and quantify sRNAs from 99 different tissues or treatments across species, resulting in a data set of over 132 million distinct sequences. Using miRBase mature sequences as a reference, we identify the miRNA sequences present in these libraries. We apply diverse profiling methods to examine critical sRNA and miRNA features, such as size distribution, tissue-specific regulation and sequence conservation between species, as well as to predict putative new miRNA sequences. We also develop database resources, computational analysis tools and a dedicated website, http://smallrna.udel.edu/. This study provides new insights on plant sRNAs and miRNAs, and a foundation for future studies.
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Chan CX, Blouin NA, Zhuang Y, Zäuner S, Prochnik SE, Lindquist E, Lin S, Benning C, Lohr M, Yarish C, Gantt E, Grossman AR, Lu S, Müller K, W Stiller J, Brawley SH, Bhattacharya D. Porphyra (Bangiophyceae) Transcriptomes Provide Insights Into Red Algal Development And Metabolism. JOURNAL OF PHYCOLOGY 2012; 48:1328-1342. [PMID: 27009986 DOI: 10.1111/j.1529-8817.2012.01229.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2012] [Accepted: 07/06/2012] [Indexed: 06/05/2023]
Abstract
The red seaweed Porphyra (Bangiophyceae) and related Bangiales have global economic importance. Here, we report the analysis of a comprehensive transcriptome comprising ca. 4.7 million expressed sequence tag (EST) reads from P. umbilicalis (L.) J. Agardh and P. purpurea (Roth) C. Agardh (ca. 980 Mbp of data generated using 454 FLX pyrosequencing). These ESTs were isolated from the haploid gametophyte (blades from both species) and diploid conchocelis stage (from P. purpurea). In a bioinformatic analysis, only 20% of the contigs were found to encode proteins of known biological function. Comparative analysis of predicted protein functions in mesophilic (including Porphyra) and extremophilic red algae suggest that the former has more putative functions related to signaling, membrane transport processes, and establishment of protein complexes. These enhanced functions may reflect general mesophilic adaptations. A near-complete repertoire of genes encoding histones and ribosomal proteins was identified, with some differentially regulated between the blade and conchocelis stage in P. purpurea. This finding may reflect specific regulatory processes associated with these distinct phases of the life history. Fatty acid desaturation patterns, in combination with gene expression profiles, demonstrate differences from seed plants with respect to the transport of fatty acid/lipid among subcellular compartments and the molecular machinery of lipid assembly. We also recovered a near-complete gene repertoire for enzymes involved in the formation of sterols and carotenoids, including candidate genes for the biosynthesis of lutein. Our findings provide key insights into the evolution, development, and biology of Porphyra, an important lineage of red algae.
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Affiliation(s)
- Cheong Xin Chan
- Department of Ecology, Evolution and Natural Resources, Institute of Marine and Coastal Sciences, Rutgers University, New Brunswick, New Jersey, 08901, USA
| | - Nicolas A Blouin
- School of Marine Sciences, University of Maine, Orono, Maine, 04469, USA
| | - Yunyun Zhuang
- Department of Marine Sciences, University of Connecticut, Groton, Connecticut, 06340, USA
| | - Simone Zäuner
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, Michigan, 48824, USA
| | - Simon E Prochnik
- U.S. Department of Energy, Joint Genome Institute, Walnut Creek, California, 94958, USA
| | - Erika Lindquist
- U.S. Department of Energy, Joint Genome Institute, Walnut Creek, California, 94958, USA
| | - Senjie Lin
- Department of Marine Sciences, University of Connecticut, Groton, Connecticut, 06340, USA
| | - Christoph Benning
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, Michigan, 48824, USA
| | - Martin Lohr
- Institut für Allgemeine Botanik, Johannes Gutenberg-Universität Mainz, 55099, Mainz, Germany
| | - Charles Yarish
- Department of Ecology and Evolutionary Biology, University of Connecticut, Stamford, Connecticut, 06901, USA
| | - Elisabeth Gantt
- Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, Maryland, 20742, USA
| | - Arthur R Grossman
- Department of Plant Biology, Carnegie Institution for Science, Stanford, California, 94305, USA
| | - Shan Lu
- School of Life Sciences, Nanjing University, Nanjing, 210093, China
| | - Kirsten Müller
- Department of Biology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - John W Stiller
- Department of Biology, East Carolina University, Greenville, North Carolina, 27834, USA
| | - Susan H Brawley
- School of Marine Sciences, University of Maine, Orono, Maine, 04469, USA
| | - Debashish Bhattacharya
- Department of Ecology, Evolution and Natural Resources, Institute of Marine and Coastal Sciences, Rutgers University, New Brunswick, New Jersey, 08901, USA
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