Effects of Aluminum Oxide Nanoparticles on the Growth, Development, and microRNA Expression of Tobacco (Nicotiana tabacum)
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{"title"=>"Effects of aluminum oxide nanoparticles on the growth, development, and microrna expression of tobacco (nicotiana tabacum)", "type"=>"journal", "authors"=>[{"first_name"=>"Caitlin E.", "last_name"=>"Burklew", "scopus_author_id"=>"36450187500"}, {"first_name"=>"Jordan", "last_name"=>"Ashlock", "scopus_author_id"=>"55216798400"}, {"first_name"=>"William B.", "last_name"=>"Winfrey", "scopus_author_id"=>"55216695600"}, {"first_name"=>"Baohong", "last_name"=>"Zhang", "scopus_author_id"=>"26643705800"}], "year"=>2012, "source"=>"PLoS ONE", "identifiers"=>{"sgr"=>"84861014492", "isbn"=>"1932-6203 (Electronic)\\r1932-6203 (Linking)", "issn"=>"19326203", "pmid"=>"22606225", "pui"=>"364803034", "doi"=>"10.1371/journal.pone.0034783", "scopus"=>"2-s2.0-84861014492"}, "id"=>"7efa9e5b-2ccb-39c1-bf64-8256e2633b8b", "abstract"=>"Nanoparticles are a class of newly emerging environmental pollutions. To date, few experiments have been conducted to investigate the effect nanoparticles may have on plant growth and development. It is important to study the effects nanoparticles have on plants because they are stationary organisms that cannot move away from environmental stresses like animals can, therefore they must overcome these stresses by molecular routes such as altering gene expression. microRNAs (miRNA) are a newly discovered, endogenous class of post-transcriptional gene regulators that function to alter gene expression by either targeting mRNAs for degradation or inhibiting mRNAs translating into proteins. miRNAs have been shown to mediate abiotic stress responses such as drought and salinity in plants by altering gene expression, however no study has been performed on the effect of nanoparticles on the miRNA expression profile; therefore our aim in this study was to classify if certain miRNAs play a role in plant response to Al(2)O(3) nanoparticle stress. In this study, we exposed tobacco (Nicotiana tabacum) plants (an important cash crop as well as a model organism) to 0%, 0.1%, 0.5%, and 1% Al(2)O(3) nanoparticles and found that as exposure to the nanoparticles increased, the average root length, the average biomass, and the leaf count of the seedlings significantly decreased. We also found that miR395, miR397, miR398, and miR399 showed an extreme increase in expression during exposure to 1% Al(2)O(3) nanoparticles as compared to the other treatments and the control, therefore these miRNAs may play a key role in mediating plant stress responses to nanoparticle stress in the environment. The results of this study show that Al(2)O(3) nanoparticles have a negative effect on the growth and development of tobacco seedlings and that miRNAs may play a role in the ability of plants to withstand stress to Al(2)O(3) nanoparticles in the environment.", "link"=>"http://www.mendeley.com/research/effects-aluminum-oxide-nanoparticles-growth-development-microrna-expression-tobacco-nicotiana-tabacu-1", "reader_count"=>53, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Professor > Associate Professor"=>2, "Student > Doctoral Student"=>3, "Researcher"=>8, "Student > Ph. D. Student"=>18, "Student > Postgraduate"=>7, "Student > Master"=>9, "Student > Bachelor"=>2, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>2}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Professor > Associate Professor"=>2, "Student > Doctoral Student"=>3, "Researcher"=>8, "Student > Ph. D. Student"=>18, "Student > Postgraduate"=>7, "Student > Master"=>9, "Student > Bachelor"=>2, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>2}, "reader_count_by_subject_area"=>{"Unspecified"=>2, "Environmental Science"=>9, "Biochemistry, Genetics and Molecular Biology"=>3, "Agricultural and Biological Sciences"=>34, "Philosophy"=>1, "Veterinary Science and Veterinary Medicine"=>1, "Chemistry"=>1, "Earth and Planetary Sciences"=>1, "Engineering"=>1}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>1}, "Chemistry"=>{"Chemistry"=>1}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>34}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>3}, "Unspecified"=>{"Unspecified"=>2}, "Environmental Science"=>{"Environmental Science"=>9}, "Philosophy"=>{"Philosophy"=>1}, "Veterinary Science and Veterinary Medicine"=>{"Veterinary Science and Veterinary Medicine"=>1}}, "reader_count_by_country"=>{"Egypt"=>1, "Mexico"=>1, "India"=>2}, "group_count"=>1}

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Figshare

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  • {"files"=>["https://ndownloader.figshare.com/files/639846"], "description"=>"<p>All physical measurements were averaged for each treatment (control, 0.1% Al<sub>2</sub>O<sub>3</sub>, 0.5% Al<sub>2</sub>O<sub>3</sub>, and 1% Al<sub>2</sub>O<sub>3</sub>). Each average is stated with the standard error associated with that treatment and the significance levels are denoted with the letters, a–d. Different letters dentote statistical significance within the physical measurement.</p>", "links"=>[], "tags"=>["genetics and genomics", "plant biology", "biotechnology", "developmental biology"], "article_id"=>310335, "categories"=>["Biotechnology", "Genetics", "Developmental Biology", "Plant Biology"], "users"=>["Caitlin E. Burklew", "Jordan Ashlock", "William B. Winfrey", "Baohong Zhang"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0034783.t001", "stats"=>{"downloads"=>5, "page_views"=>16, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Nanoparticles_effect_the_growth_and_development_of_three_week_old_tobacco_seedlings_/310335", "title"=>"Nanoparticles effect the growth and development of three week old tobacco seedlings.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-02-20 05:18:35"}
  • {"files"=>["https://ndownloader.figshare.com/files/639497"], "description"=>"<p>From left to right, control, 0.1%, 0.5%, and 1% aluminum oxide treated seedlings.</p>", "links"=>[], "tags"=>["oxide", "treated"], "article_id"=>309985, "categories"=>["Biotechnology", "Genetics", "Developmental Biology", "Plant Biology"], "users"=>["Caitlin E. Burklew", "Jordan Ashlock", "William B. Winfrey", "Baohong Zhang"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0034783.g001", "stats"=>{"downloads"=>1, "page_views"=>9, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Phenotype_of_aluminum_oxide_treated_tobacco_seedlings_/309985", "title"=>"Phenotype of aluminum oxide treated tobacco seedlings.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-02-20 05:16:40"}

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