Severity: Warning
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Filename: controllers/Detail.php
Line Number: 249
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File: /var/www/html/application/controllers/Detail.php
Line: 249
Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
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Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
Line Number: 249
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File: /var/www/html/application/controllers/Detail.php
Line: 249
Function: _error_handler
File: /var/www/html/index.php
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Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
Line: 249
Function: _error_handler
File: /var/www/html/index.php
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Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
Line: 249
Function: _error_handler
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Function: require_once
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Filename: models/Detail_model.php
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Line: 71
Function: strpos
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Function: insertAPISummary
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Filename: helpers/my_audit_helper.php
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Function: str_replace
File: /var/www/html/application/controllers/Detail.php
Line: 255
Function: formatAIDetailSummary
File: /var/www/html/index.php
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Function: require_once
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Filename: controllers/Detail.php
Line Number: 256
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File: /var/www/html/application/controllers/Detail.php
Line: 256
Function: _error_handler
File: /var/www/html/index.php
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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
Line: 256
Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
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Filename: controllers/Detail.php
Line Number: 256
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File: /var/www/html/application/controllers/Detail.php
Line: 256
Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
Severity: Warning
Message: Undefined array key "usage"
Filename: controllers/Detail.php
Line Number: 257
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File: /var/www/html/application/controllers/Detail.php
Line: 257
Function: _error_handler
File: /var/www/html/index.php
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Function: require_once
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Filename: controllers/Detail.php
Line Number: 257
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File: /var/www/html/application/controllers/Detail.php
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File: /var/www/html/index.php
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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
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Function: _error_handler
File: /var/www/html/index.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Filename: controllers/Detail.php
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Function: _error_handler
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Message: file_get_contents(https://...@gmail.com&api_key=61f08fa0b96a73de8c900d749fcb997acc09): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
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Function: file_get_contents
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Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
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File: /var/www/html/application/controllers/Detail.php
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Function: pubMedSearch_Global
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Function: pubMedGetRelatedKeyword
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File: /var/www/html/application/controllers/Detail.php
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Background: Glyphosate is a broad-spectrum, non-selective systemic herbicide. Introduction of glyphosate tolerance genes such as EPSPS or detoxification genes such as GAT can confer glyphosate tolerance on plants. Our previous study revealed that co-expression of EPSPS and GAT genes conferred higher glyphosate tolerance without "yellow flashing". However, the plant response to glyphosate at the transcriptional level was not investigated.
Methods And Results: To investigate the glyphosate tolerance mechanism, RNA-seq was conducted using four soybean genotypes, including two non-transgenic (NT) soybeans, ZH10 and MD12, and two GM soybeans, HJ698 and ZH10-6. Differentially expressed genes (DEGs) were identified in these soybeans before and after glyphosate treatment. Similar response to glyphosate in the two NT soybeans and the different effects of glyphosate on the two GM soybeans were identified. As treatment time was prolonged, the expression level of some DEGs involved in shikimate biosynthetic pathway and herbicide targeted cross-pathways was increased or declined continuously in NT soybeans, and altered slightly in HJ698. However, the expression level of some DEGs was altered in ZH10-6 at 12 hpt, while similar expression level of some DEGs involved in shikimate biosynthetic pathway and herbicide targeted cross-pathways was observed in ZH10-6 at 0 hpt and 72 hpt. These observations likely explain the higher glyphosate tolerance in ZH10-6 than in HJ698 and NT soybeans.
Conclusions: These results suggested that GAT and EPSPS genes together play a crucial role in response to glyphosate, the GAT gene may work at the early stage of glyphosate exposure, whereas the EPSPS gene may be activated after the uptake of glyphosate by plants. These findings will provide valuable insight for the molecular basis underlying glyphosate tolerance or glyphosate detoxication.
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http://dx.doi.org/10.1007/s11033-021-06742-x | DOI Listing |
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