CLAVATA3 dodecapeptide modified CdTe nanoparticles: a biocompatible quantum dot probe for in vivo labeling of plant stem cells
CLAVATA3 (CLV3) dodecapeptides function in plant stem cell maintenance, but CLV3 function in cell-cell communication remains less clear. Here, we coupled CLV3 dodecapeptides to synthesized CdTe nanoparticles to track their bioactivity on stem cells in the root apical meristem. To achieve this, we fi...
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| Veröffentlicht in: | PloS one 2014-02, Vol.9 (2), p.e89241 |
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| creator | Yu, Guanghui Tan, Yanping He, Xiangzhu Qin, Yonghua Liang, Jiangong |
| description | CLAVATA3 (CLV3) dodecapeptides function in plant stem cell maintenance, but CLV3 function in cell-cell communication remains less clear. Here, we coupled CLV3 dodecapeptides to synthesized CdTe nanoparticles to track their bioactivity on stem cells in the root apical meristem. To achieve this, we first synthesized CdTe quantum dots (QDs) using a one-pot method, and then evaluated the cytotoxicity of the QDs in BY-2 cells. The results showed that QDs in plant cells must be used at low concentrations and for short treatment time. To make biocompatible probes to track stem cell fate, we conjugated CLV3 dodecapeptides to the QDs by the zero-coupling method; this modification greatly reduced the cytotoxicity of the QDs. Furthermore, we detected CLV3-QDs localized on the cell membrane, consistent with the known localization of CLV3. Our results indicate that using surface-modified QDs at low concentrations and for short time treatment can improve their utility for plant cell imaging. |
| doi_str_mv | 10.1371/journal.pone.0089241 |
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Here, we coupled CLV3 dodecapeptides to synthesized CdTe nanoparticles to track their bioactivity on stem cells in the root apical meristem. To achieve this, we first synthesized CdTe quantum dots (QDs) using a one-pot method, and then evaluated the cytotoxicity of the QDs in BY-2 cells. The results showed that QDs in plant cells must be used at low concentrations and for short treatment time. To make biocompatible probes to track stem cell fate, we conjugated CLV3 dodecapeptides to the QDs by the zero-coupling method; this modification greatly reduced the cytotoxicity of the QDs. Furthermore, we detected CLV3-QDs localized on the cell membrane, consistent with the known localization of CLV3. Our results indicate that using surface-modified QDs at low concentrations and for short time treatment can improve their utility for plant cell imaging.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0089241</identifier><identifier>PMID: 24586624</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Arabidopsis ; Biocompatibility ; Biocompatible Materials - chemistry ; Biological activity ; Biology ; Biotechnology ; Cadmium Compounds - chemistry ; Cadmium tellurides ; Cell death ; Cell division ; Cell fate ; Cell interactions ; Cell Membrane - chemistry ; Cell signaling ; Chemistry ; Cytotoxicity ; Gene expression ; Intercellular signalling ; Kinases ; Laboratories ; Life sciences ; Localization ; Low concentrations ; Nanoparticles ; Nanoparticles - chemistry ; Nicotiana - metabolism ; Peptides ; Peptides - chemistry ; Plant cells ; Plant Cells - chemistry ; Plant Proteins - chemistry ; Quantum dots ; Quantum Dots - chemistry ; Staining and Labeling - methods ; Stem cells ; Stem Cells - chemistry ; Studies ; Synthesis ; Toxicity</subject><ispartof>PloS one, 2014-02, Vol.9 (2), p.e89241</ispartof><rights>COPYRIGHT 2014 Public Library of Science</rights><rights>2014 Yu et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2014 Yu et al 2014 Yu et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c692t-6933e8f1e9a58f65ef0cfc05f09457b6f991a1b1ab24ce8ba7ca86eaab17f8e33</citedby><cites>FETCH-LOGICAL-c692t-6933e8f1e9a58f65ef0cfc05f09457b6f991a1b1ab24ce8ba7ca86eaab17f8e33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3933426/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3933426/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,2102,2928,23866,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24586624$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Antopolsky, Maxim</contributor><creatorcontrib>Yu, Guanghui</creatorcontrib><creatorcontrib>Tan, Yanping</creatorcontrib><creatorcontrib>He, Xiangzhu</creatorcontrib><creatorcontrib>Qin, Yonghua</creatorcontrib><creatorcontrib>Liang, Jiangong</creatorcontrib><title>CLAVATA3 dodecapeptide modified CdTe nanoparticles: a biocompatible quantum dot probe for in vivo labeling of plant stem cells</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>CLAVATA3 (CLV3) dodecapeptides function in plant stem cell maintenance, but CLV3 function in cell-cell communication remains less clear. Here, we coupled CLV3 dodecapeptides to synthesized CdTe nanoparticles to track their bioactivity on stem cells in the root apical meristem. To achieve this, we first synthesized CdTe quantum dots (QDs) using a one-pot method, and then evaluated the cytotoxicity of the QDs in BY-2 cells. The results showed that QDs in plant cells must be used at low concentrations and for short treatment time. To make biocompatible probes to track stem cell fate, we conjugated CLV3 dodecapeptides to the QDs by the zero-coupling method; this modification greatly reduced the cytotoxicity of the QDs. Furthermore, we detected CLV3-QDs localized on the cell membrane, consistent with the known localization of CLV3. Our results indicate that using surface-modified QDs at low concentrations and for short time treatment can improve their utility for plant cell imaging.</description><subject>Arabidopsis</subject><subject>Biocompatibility</subject><subject>Biocompatible Materials - chemistry</subject><subject>Biological activity</subject><subject>Biology</subject><subject>Biotechnology</subject><subject>Cadmium Compounds - chemistry</subject><subject>Cadmium tellurides</subject><subject>Cell death</subject><subject>Cell division</subject><subject>Cell fate</subject><subject>Cell interactions</subject><subject>Cell Membrane - chemistry</subject><subject>Cell signaling</subject><subject>Chemistry</subject><subject>Cytotoxicity</subject><subject>Gene expression</subject><subject>Intercellular signalling</subject><subject>Kinases</subject><subject>Laboratories</subject><subject>Life sciences</subject><subject>Localization</subject><subject>Low concentrations</subject><subject>Nanoparticles</subject><subject>Nanoparticles - 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Here, we coupled CLV3 dodecapeptides to synthesized CdTe nanoparticles to track their bioactivity on stem cells in the root apical meristem. To achieve this, we first synthesized CdTe quantum dots (QDs) using a one-pot method, and then evaluated the cytotoxicity of the QDs in BY-2 cells. The results showed that QDs in plant cells must be used at low concentrations and for short treatment time. To make biocompatible probes to track stem cell fate, we conjugated CLV3 dodecapeptides to the QDs by the zero-coupling method; this modification greatly reduced the cytotoxicity of the QDs. Furthermore, we detected CLV3-QDs localized on the cell membrane, consistent with the known localization of CLV3. Our results indicate that using surface-modified QDs at low concentrations and for short time treatment can improve their utility for plant cell imaging.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>24586624</pmid><doi>10.1371/journal.pone.0089241</doi><tpages>e89241</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Arabidopsis Biocompatibility Biocompatible Materials - chemistry Biological activity Biology Biotechnology Cadmium Compounds - chemistry Cadmium tellurides Cell death Cell division Cell fate Cell interactions Cell Membrane - chemistry Cell signaling Chemistry Cytotoxicity Gene expression Intercellular signalling Kinases Laboratories Life sciences Localization Low concentrations Nanoparticles Nanoparticles - chemistry Nicotiana - metabolism Peptides Peptides - chemistry Plant cells Plant Cells - chemistry Plant Proteins - chemistry Quantum dots Quantum Dots - chemistry Staining and Labeling - methods Stem cells Stem Cells - chemistry Studies Synthesis Toxicity |
| title | CLAVATA3 dodecapeptide modified CdTe nanoparticles: a biocompatible quantum dot probe for in vivo labeling of plant stem cells |
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