Phytoplankton Cell Lysis Associated with Polyunsaturated Aldehyde Release in the Northern Adriatic Sea
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{"title"=>"Phytoplankton cell lysis associated with polyunsaturated aldehyde release in the northern Adriatic Sea", "type"=>"journal", "authors"=>[{"first_name"=>"François", "last_name"=>"Ribalet", "scopus_author_id"=>"12783493200"}, {"first_name"=>"Mauro", "last_name"=>"Bastianini", "scopus_author_id"=>"6505792263"}, {"first_name"=>"Charles", "last_name"=>"Vidoudez", "scopus_author_id"=>"12765089100"}, {"first_name"=>"Francesco", "last_name"=>"Acri", "scopus_author_id"=>"6505783871"}, {"first_name"=>"John", "last_name"=>"Berges", "scopus_author_id"=>"7004436843"}, {"first_name"=>"Adrianna", "last_name"=>"Ianora", "scopus_author_id"=>"56687820300"}, {"first_name"=>"Antonio", "last_name"=>"Miralto", "scopus_author_id"=>"56899193900"}, {"first_name"=>"Georg", "last_name"=>"Pohnert", "scopus_author_id"=>"56236493900"}, {"first_name"=>"Giovanna", "last_name"=>"Romano", "scopus_author_id"=>"36061414600"}, {"first_name"=>"Thomas", "last_name"=>"Wichard", "scopus_author_id"=>"6507309454"}, {"first_name"=>"Raffaella", "last_name"=>"Casotti", "scopus_author_id"=>"6602970081"}], "year"=>2014, "source"=>"PLoS ONE", "identifiers"=>{"sgr"=>"84900315959", "pmid"=>"24497933", "issn"=>"19326203", "pui"=>"373059594", "doi"=>"10.1371/journal.pone.0085947", "scopus"=>"2-s2.0-84900315959"}, "id"=>"34d378d9-5d19-3881-809e-5c94da9f2868", "abstract"=>"Diatoms are able to react to biotic and abiotic stress, such as competition, predation and unfavorable growth conditions, by producing bioactive compounds including polyunsaturated aldehydes (PUAs). PUAs have been shown to act against grazers and either enhance or inhibit the growth of different phytoplankton and bacteria both in culture and in the field. Presence of nanomolar concentrations of dissolved PUAs in seawater has been reported in the North Adriatic Sea (Mediterranean), suggesting that these compounds are released in seawater following diatom cell lysis. However, the origin of the PUAs and their effects on natural phytoplankton assemblages remain unclear. Here we present data from four oceanographic cruises that took place during diatom blooms in the northern Adriatic Sea where concentrations of particulate and dissolved PUAs were monitored along with phytoplankton cell lysis. Cell lysis was positively correlated with both concentrations of particulate and dissolved PUAs (R = 0.69 and R = 0.77, respectively), supporting the hypothesis that these compounds are released by cell lysis. However, the highest concentration of dissolved PUAs (2.53 nM) was measured when cell lysis was high (0.24 d(-1)) but no known PUA-producing diatoms were detected, suggesting either that other organisms can produce PUAs or that PUA-producing enzymes retain activity extracellularly after diatom cells have lysed. Although in situ concentrations of dissolved PUAs were one to three orders of magnitude lower than those typically used in laboratory culture experiments, we argue that concentrations produced in the field could induce similar effects to those observed in culture and therefore may help shape plankton community composition and function in the oceans.", "link"=>"http://www.mendeley.com/research/phytoplankton-cell-lysis-associated-polyunsaturated-aldehyde-release-northern-adriatic-sea", "reader_count"=>31, "reader_count_by_academic_status"=>{"Professor > Associate Professor"=>1, "Researcher"=>11, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>11, "Student > Master"=>3, "Other"=>1, "Student > Bachelor"=>2, "Lecturer"=>1}, "reader_count_by_user_role"=>{"Professor > Associate Professor"=>1, "Researcher"=>11, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>11, "Student > Master"=>3, "Other"=>1, "Student > Bachelor"=>2, "Lecturer"=>1}, "reader_count_by_subject_area"=>{"Engineering"=>1, "Environmental Science"=>6, "Biochemistry, Genetics and Molecular Biology"=>1, "Agricultural and Biological Sciences"=>16, "Physics and Astronomy"=>1, "Chemistry"=>1, "Earth and Planetary Sciences"=>5}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>1}, "Chemistry"=>{"Chemistry"=>1}, "Physics and Astronomy"=>{"Physics and Astronomy"=>1}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>5}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>16}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}, "Environmental Science"=>{"Environmental Science"=>6}}, "reader_count_by_country"=>{"Saudi Arabia"=>1, "United States"=>1, "Egypt"=>1, "United Kingdom"=>1, "France"=>1, "Chile"=>1}, "group_count"=>0}

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/1371688"], "description"=>"<p>Chlorophyll <i>a</i> (μg L<sup>−1</sup>) was determined from SeaWifs datasets (<a href=\"http://gdata1.sci.gsfc.nasa.gov/\" target=\"_blank\">http://gdata1.sci.gsfc.nasa.gov/</a>). Sampling stations are indicaed with black crossses along three transects, transect 1 (north), transect 2 and transect 3 (south). Transect were sampled in March a) 2002, b) 2004, c) 2005 and d) 2006.</p>", "links"=>[], "tags"=>["ecology", "Chemical ecology", "Ecological environments", "Ecophysiology", "ecosystems", "microbial ecology", "Physiological ecology", "Plant ecology", "Marine biology", "Marine ecology", "microbiology", "organic chemistry", "Organic compounds", "aldehydes", "adriatic"], "article_id"=>922434, "categories"=>["Biological Sciences", "Chemistry"], "users"=>["François Ribalet", "Mauro Bastianini", "Charles Vidoudez", "Francesco Acri", "John Berges", "Adrianna Ianora", "Antonio Miralto", "Georg Pohnert", "Giovanna Romano", "Thomas Wichard", "Raffaella Casotti"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0085947.g001", "stats"=>{"downloads"=>5, "page_views"=>27, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Chlorophyll_a_distribution_and_station_location_in_the_North_Adriatic_Sea_/922434", "title"=>"Chlorophyll <i>a</i> distribution and station location in the North Adriatic Sea.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-01-31 03:37:36"}
  • {"files"=>["https://ndownloader.figshare.com/files/1371689"], "description"=>"<p>Lysis rate (d<sup>−1</sup>), calculated using the esterase method <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0085947#pone.0085947-Riegman1\" target=\"_blank\">[29]</a> in March a) 2002, b) 2004, c) 2005 and d) 2006. The diameter of the symbols is proportional to the measurement.</p>", "links"=>[], "tags"=>["ecology", "Chemical ecology", "Ecological environments", "Ecophysiology", "ecosystems", "microbial ecology", "Physiological ecology", "Plant ecology", "Marine biology", "Marine ecology", "microbiology", "organic chemistry", "Organic compounds", "aldehydes", "rates", "adriatic"], "article_id"=>922435, "categories"=>["Biological Sciences", "Chemistry"], "users"=>["François Ribalet", "Mauro Bastianini", "Charles Vidoudez", "Francesco Acri", "John Berges", "Adrianna Ianora", "Antonio Miralto", "Georg Pohnert", "Giovanna Romano", "Thomas Wichard", "Raffaella Casotti"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0085947.g002", "stats"=>{"downloads"=>0, "page_views"=>3, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Lysis_rates_in_the_North_Adriatic_Sea_/922435", "title"=>"Lysis rates in the North Adriatic Sea.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-01-31 03:37:36"}
  • {"files"=>["https://ndownloader.figshare.com/files/1371690"], "description"=>"<p>a) Lysis rates and concentration of particulate PUAs (particulate PUAs, fmol cell<sup>−1</sup>) measured a) in March 2002–2004 (open triangles), and in March 2005–2006 (black circles); or c) during the time course experiment in March 2005. Lysis rates and concentrations of dissolved PUAs (dissolved PUAs, nM) measured b) in March 2006 and d) during the time course experiment in March 2006. Dashed lines represent model II linear regression of plotted data and R represents Pearson coefficient of correlation. Grey and black solid lines in panel a) represent model II linear regression of 2002–2004 and 2005–2006 data.</p>", "links"=>[], "tags"=>["ecology", "Chemical ecology", "Ecological environments", "Ecophysiology", "ecosystems", "microbial ecology", "Physiological ecology", "Plant ecology", "Marine biology", "Marine ecology", "microbiology", "organic chemistry", "Organic compounds", "aldehydes", "lysis", "rates", "concentrations", "particulate", "dissolved"], "article_id"=>922436, "categories"=>["Biological Sciences", "Chemistry"], "users"=>["François Ribalet", "Mauro Bastianini", "Charles Vidoudez", "Francesco Acri", "John Berges", "Adrianna Ianora", "Antonio Miralto", "Georg Pohnert", "Giovanna Romano", "Thomas Wichard", "Raffaella Casotti"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0085947.g003", "stats"=>{"downloads"=>2, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Relationship_between_lysis_rates_and_concentrations_of_particulate_or_dissolved_PUAs_/922436", "title"=>"Relationship between lysis rates and concentrations of particulate or dissolved PUAs).", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-01-31 03:37:36"}
  • {"files"=>["https://ndownloader.figshare.com/files/1371691"], "description"=>"<p>Concentrations of total particulate PUAs (fmol cell<sup>−1</sup>, black circles) were measured using <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0085947#pone.0085947-dIppolito2\" target=\"_blank\">[31]</a> in March a) 2002, and using <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0085947#pone.0085947-Wichard2\" target=\"_blank\">[24]</a>in March b) 2004, c) 2005 and d) 2006 and concentrations of dissolved PUAs (nM, grey circles) were measured using <a href=\"http://www.plosone.org/article/info:doi/10.1371/journal.pone.0085947#pone.0085947-Vidoudez2\" target=\"_blank\">[26]</a> in March 2006. The diameter of the symbols is proportional to the measurement.</p>", "links"=>[], "tags"=>["ecology", "Chemical ecology", "Ecological environments", "Ecophysiology", "ecosystems", "microbial ecology", "Physiological ecology", "Plant ecology", "Marine biology", "Marine ecology", "microbiology", "organic chemistry", "Organic compounds", "aldehydes", "particulate", "dissolved", "puas", "adriatic"], "article_id"=>922437, "categories"=>["Biological Sciences", "Chemistry"], "users"=>["François Ribalet", "Mauro Bastianini", "Charles Vidoudez", "Francesco Acri", "John Berges", "Adrianna Ianora", "Antonio Miralto", "Georg Pohnert", "Giovanna Romano", "Thomas Wichard", "Raffaella Casotti"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0085947.g004", "stats"=>{"downloads"=>0, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Concentrations_of_total_particulate_and_dissolved_PUAs_in_the_North_Adriatic_Sea_/922437", "title"=>"Concentrations of total particulate and dissolved PUAs in the North Adriatic Sea.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-01-31 03:37:36"}
  • {"files"=>["https://ndownloader.figshare.com/files/1371693"], "description"=>"<p>a) Lysis rate (d<sup>−1</sup>) and concentrations of particulate PUAs (particulate PUAs, fmol cell<sup>−1</sup>) measured in March 2005. b) Lysis rate (d<sup>−1</sup>) and concentrations of dissolved PUAs (dissolved PUAs, nM) in March 2006.</p>", "links"=>[], "tags"=>["ecology", "Chemical ecology", "Ecological environments", "Ecophysiology", "ecosystems", "microbial ecology", "Physiological ecology", "Plant ecology", "Marine biology", "Marine ecology", "microbiology", "organic chemistry", "Organic compounds", "aldehydes", "concentrations", "particulate", "dissolved", "pua", "observed", "diatom", "blooms", "27-h"], "article_id"=>922439, "categories"=>["Biological Sciences", "Chemistry"], "users"=>["François Ribalet", "Mauro Bastianini", "Charles Vidoudez", "Francesco Acri", "John Berges", "Adrianna Ianora", "Antonio Miralto", "Georg Pohnert", "Giovanna Romano", "Thomas Wichard", "Raffaella Casotti"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0085947.g005", "stats"=>{"downloads"=>4, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Lysis_rate_and_concentrations_of_particulate_and_dissolved_PUA_concentrations_observed_during_a_diatom_blooms_over_a_27_h_period_/922439", "title"=>"Lysis rate and concentrations of particulate and dissolved PUA concentrations observed during a diatom blooms over a 27-h period.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-01-31 03:37:36"}
  • {"files"=>["https://ndownloader.figshare.com/files/1371694"], "description"=>"1<p>Lysis rate calculated according to Riegman & Winter 2003.</p><p>Mean and range of percent of non-enzymatic hydrolysis (NEH, nM h<sup>−1</sup>) of fluorescein to esterase activity, particulate and dissolved esterase activity (PEA and DEA, nM h<sup>−1</sup>, both corrected from NEH), lysis rate (LR, d<sup>−1</sup>) and concentrations of particulate (fmol cell<sup>−1</sup>) and dissolved (nM) polyunsaturated aldehyde (PUAs) (7:2, 8:2 and 8:3 for heptadienal, octadienal and octatrienal, respectively) per transect in March 2002, 2004, 2005 and 2006 in the Northern Adriatic Sea. * Traces of decatrienal were also detected.</p>", "links"=>[], "tags"=>["ecology", "Chemical ecology", "Ecological environments", "Ecophysiology", "ecosystems", "microbial ecology", "Physiological ecology", "Plant ecology", "Marine biology", "Marine ecology", "microbiology", "organic chemistry", "Organic compounds", "aldehydes", "lysis", "concentrations", "particulate", "dissolved", "polyunsaturated", "transect", "adriatic"], "article_id"=>922440, "categories"=>["Biological Sciences", "Chemistry"], "users"=>["François Ribalet", "Mauro Bastianini", "Charles Vidoudez", "Francesco Acri", "John Berges", "Adrianna Ianora", "Antonio Miralto", "Georg Pohnert", "Giovanna Romano", "Thomas Wichard", "Raffaella Casotti"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0085947.t003", "stats"=>{"downloads"=>2, "page_views"=>11, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Esterase_activity_lysis_rate_concentrations_of_particulate_and_dissolved_polyunsaturated_aldehydes_for_each_transect_in_the_Northern_Adriatic_Sea_/922440", "title"=>"Esterase activity, lysis rate, concentrations of particulate and dissolved polyunsaturated aldehydes for each transect in the Northern Adriatic Sea.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2014-01-31 03:37:36"}
  • {"files"=>["https://ndownloader.figshare.com/files/1371695"], "description"=>"<p>Species composition and mean of phytoplankton cell abundances (10<sup>3</sup> cells L<sup>−1</sup>) per transect in March 2002, 2004, 2005 and 2006 in the Northern Adriatic Sea. Species are shown only if their mean per transect were once higher than 5×10<sup>3</sup> cells L<sup>−1</sup>. Values are the total of all counted cells for the group, including the species not presented here. In March 2002, species were identified at the class level, except for the diatom <i>S. marinoi</i>.</p>", "links"=>[], "tags"=>["ecology", "Chemical ecology", "Ecological environments", "Ecophysiology", "ecosystems", "microbial ecology", "Physiological ecology", "Plant ecology", "Marine biology", "Marine ecology", "microbiology", "organic chemistry", "Organic compounds", "aldehydes", "abundances", "transect", "adriatic"], "article_id"=>922441, "categories"=>["Biological Sciences", "Chemistry"], "users"=>["François Ribalet", "Mauro Bastianini", "Charles Vidoudez", "Francesco Acri", "John Berges", "Adrianna Ianora", "Antonio Miralto", "Georg Pohnert", "Giovanna Romano", "Thomas Wichard", "Raffaella Casotti"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0085947.t002", "stats"=>{"downloads"=>4, "page_views"=>13, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Phytoplankton_species_composition_and_cell_abundances_for_each_transect_in_the_Northern_Adriatic_Sea_/922441", "title"=>"Phytoplankton species composition and cell abundances for each transect in the Northern Adriatic Sea.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2014-01-31 03:37:36"}
  • {"files"=>["https://ndownloader.figshare.com/files/1371696"], "description"=>"<p>Mean and range of silicic acid (Si, μM), dissolved inorganic nitrogen (DIN, μM), phosphate concentrations (Pi, μM), particulate organic carbon (POC, μg L<sup>−1</sup>), molar particulate C:N ratio (mol:mol), chlorophyll <i>a</i> concentrations (μg L<sup>−1</sup>, based on fluorometric detection after HPLC separation), <i>Skeletonema marinoi</i> (<i>S. marinoi</i>), other diatoms and non-diatom cell abundances (10<sup>6</sup> cells L<sup>−1</sup>) and number of stations (N) sampled per transect in March 2002, 2004, 2005 and 2006 in the Northern Adriatic Sea.</p>", "links"=>[], "tags"=>["ecology", "Chemical ecology", "Ecological environments", "Ecophysiology", "ecosystems", "microbial ecology", "Physiological ecology", "Plant ecology", "Marine biology", "Marine ecology", "microbiology", "organic chemistry", "Organic compounds", "aldehydes", "chlorophyll", "phytoplankton", "abundances", "transect", "adriatic"], "article_id"=>922442, "categories"=>["Biological Sciences", "Chemistry"], "users"=>["François Ribalet", "Mauro Bastianini", "Charles Vidoudez", "Francesco Acri", "John Berges", "Adrianna Ianora", "Antonio Miralto", "Georg Pohnert", "Giovanna Romano", "Thomas Wichard", "Raffaella Casotti"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0085947.t001", "stats"=>{"downloads"=>0, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Nutrient_chlorophyll_a_concentrations_phytoplankton_cell_abundances_and_composition_for_each_transect_in_the_Northern_Adriatic_Sea_/922442", "title"=>"Nutrient, chlorophyll a concentrations, phytoplankton cell abundances and composition for each transect in the Northern Adriatic Sea.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2014-01-31 03:37:36"}
  • {"files"=>["https://ndownloader.figshare.com/files/1371697"], "description"=>"<div><p>Diatoms are able to react to biotic and abiotic stress, such as competition, predation and unfavorable growth conditions, by producing bioactive compounds including polyunsaturated aldehydes (PUAs). PUAs have been shown to act against grazers and either enhance or inhibit the growth of different phytoplankton and bacteria both in culture and in the field. Presence of nanomolar concentrations of dissolved PUAs in seawater has been reported in the North Adriatic Sea (Mediterranean), suggesting that these compounds are released in seawater following diatom cell lysis. However, the origin of the PUAs and their effects on natural phytoplankton assemblages remain unclear. Here we present data from four oceanographic cruises that took place during diatom blooms in the northern Adriatic Sea where concentrations of particulate and dissolved PUAs were monitored along with phytoplankton cell lysis. Cell lysis was positively correlated with both concentrations of particulate and dissolved PUAs (R = 0.69 and R = 0.77, respectively), supporting the hypothesis that these compounds are released by cell lysis. However, the highest concentration of dissolved PUAs (2.53 nM) was measured when cell lysis was high (0.24 d<sup>−1</sup>) but no known PUA-producing diatoms were detected, suggesting either that other organisms can produce PUAs or that PUA-producing enzymes retain activity extracellularly after diatom cells have lysed. Although <i>in situ</i> concentrations of dissolved PUAs were one to three orders of magnitude lower than those typically used in laboratory culture experiments, we argue that concentrations produced in the field could induce similar effects to those observed in culture and therefore may help shape plankton community composition and function in the oceans.</p></div>", "links"=>[], "tags"=>["ecology", "Chemical ecology", "Ecological environments", "Ecophysiology", "ecosystems", "microbial ecology", "Physiological ecology", "Plant ecology", "Marine biology", "Marine ecology", "microbiology", "organic chemistry", "Organic compounds", "aldehydes", "lysis", "polyunsaturated", "aldehyde", "adriatic"], "article_id"=>922443, "categories"=>["Biological Sciences", "Chemistry"], "users"=>["François Ribalet", "Mauro Bastianini", "Charles Vidoudez", "Francesco Acri", "John Berges", "Adrianna Ianora", "Antonio Miralto", "Georg Pohnert", "Giovanna Romano", "Thomas Wichard", "Raffaella Casotti"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0085947", "stats"=>{"downloads"=>4, "page_views"=>10, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Phytoplankton_Cell_Lysis_Associated_with_Polyunsaturated_Aldehyde_Release_in_the_Northern_Adriatic_Sea_/922443", "title"=>"Phytoplankton Cell Lysis Associated with Polyunsaturated Aldehyde Release in the Northern Adriatic Sea", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2014-01-31 03:37:36"}

PMC Usage Stats | Further Information

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Relative Metric

{"start_date"=>"2014-01-01T00:00:00Z", "end_date"=>"2014-12-31T00:00:00Z", "subject_areas"=>[{"subject_area"=>"/Biology and life sciences", "average_usage"=>[291]}, {"subject_area"=>"/Biology and life sciences/Biochemistry", "average_usage"=>[282]}, {"subject_area"=>"/Earth sciences", "average_usage"=>[318]}, {"subject_area"=>"/Earth sciences/Hydrology", "average_usage"=>[272]}, {"subject_area"=>"/Medicine and health sciences", "average_usage"=>[285]}, {"subject_area"=>"/Medicine and health sciences/Physiology", "average_usage"=>[278]}, {"subject_area"=>"/Physical sciences/Materials science", "average_usage"=>[259]}]}
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