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¿µ±¹ ¿¢¼­ÅÍ´ë(University of Exeter) ¿¬±¸ÆÀÀº Çϼö¿¡ Æ÷ÇÔµÈ Ç×»ýÁ¦ ¡®½ÃÇÁ·ÎÇ÷ϻç½Å¡¯ÀÌ Çϼö ¹× ¹æ·ùµÈ °­¡¤ÇÏõ¼­ Ç×»ýÁ¦ ³»¼º Áõ°¡½Ãų °¡´É¼ºÀÌ ÀÖ´Ù´Â °ÍÀ» ¹ß°ßÇß´Ù.

¿µ±¹ ¿¢¼­ÅÍ´ë(University of Exeter) ¿¬±¸ÆÀÀº Çϼö¿¡ Æ÷ÇÔµÈ Ç×»ýÁ¦ ¡®½ÃÇÁ·ÎÇ÷ϻç½Å¡¯ÀÌ Çϼö ¹× ¹æ·ùµÈ °­¡¤ÇÏõ¼­ Ç×»ýÁ¦ ³»¼º Áõ°¡½Ãų °¡´É¼ºÀÌ ÀÖ´Ù´Â °ÍÀ» ¹ß°ßÇß´Ù.

 

󸮵ÇÁö ¾ÊÀº Çϼö¸¦ °­¡¤ÇÏõÀ̳ª ¹Ù´Ù¿¡ ¹ö¸®´Â °ÍÀÌ ¿À¿° °æ°í¸¦ Ã˹ßÇÔ¿¡ µû¶ó, »õ·Î¿î ¿¬±¸´Â ¿µ±¹ Àü¿ªÀÇ Çϼö ½Ã½ºÅÛ°ú °ü·ÃµÈ Ç×»ýÁ¦ ³»¼ºÀ» Áõ°¡½ÃÅ°´Â ¡®»ó´çÇÑ À§Çè(significant risk)¡¯À» È®ÀÎÇß´Ù.


¿µ±¹ À×±Û·£µå µ¥¹øÁÖ¿¡ ÀÖ´Â ¿¢¼­ÅÍ ´ëÇб³(University of Exeter) ¿¬±¸ÆÀÀº ÇöÀç ¿µ±¹ ȯ°æ ³» Ç×»ýÁ¦°¡ Á¦±âÇÏ´Â À§Ç輺¿¡ ´ëÇÑ °¡Àå Æ÷°ýÀûÀÎ Æò°¡¸¦ ¼öÇàÇßÀ¸¸ç, ÇöÀç ȯ°æ°úÇÐ ¹× °Ç°­À» ´Ù·ç´Â °úÇÐÀú³ÎÀÎ ¡ºEnvironment International¡»¿¡ °ÔÀçµÇ¾î ÀÖ´Ù.


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[±×¸² 1] Ç×»ýÁ¦ ºÐ¼®¿¡ »ç¿ëµÈ Çϼöó¸®Àå(WWTP)À» º¸¿©ÁÖ´Â ¿µ±¹ Áöµµ

Æ÷ÀÎÆ®´Â ¿µ±¹ Áö¿ª¿¡ ÇØ´çÇÏ´Â »ö»óÀÌ´Ù.  [Ãâó = ¡ºEnvironment Internationa¡»]l


Æ÷ÀÎÆ®´Â ¿µ±¹ Áö¿ª¿¡ ÇØ´çÇÏ´Â »ö»óÀÌ´Ù. [Ãâó = ¡ºEnvironment Internationa¡»]

 

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ÃÖ±Ù ¿µ±¹ ¹°»ê¾÷ ¸®¼­Ä¡(UK Water Industry Research ; UKWIR)°¡ Á¶»çÇÑ ¹Ù¿¡ µû¸£¸é 󸮵ÇÁö ¾ÊÀº Çϼö°¡ ó¸®ÀåÀ¸·Î À¯ÀԵǰí, ó¸®µÈ Çϼö°¡ ÇÏõ°ú °­À¸·Î ¹èÃâµÇ´Â ¿©·¯ Ç×»ýÁ¦ ³óµµ¸¦ ÃøÁ¤Çß´Ù. ¿µ±¹ Àü¿ªÀÇ 67°³ Çϼöó¸®Àå¿¡¼­ ½Ç½ÃµÈ ÀÌ Á¶»ç´Â »ç°èÀý ³»³», ¼ö³â¿¡ °ÉÃÄ ¼öÇàµÇ¾ú´Ù.


¿¢¼­ÅÍ ÀÇ´ë(University of Exeter Medical School) ¿¬±¸ÆÀÀº ÀÌ µ¥ÀÌÅ͸¦ Ç×»ýÁ¦ ³»¼ºÀ» ³ôÀÌ´Â °¡Àå ³·Àº Ç×»ýÁ¦ ³óµµ¸¦ °áÁ¤ÇÑ ÀÌÀü ¿¬±¸ °á°ú¿Í ºñ±³Çß´Ù. ±×µéÀº Ç×»ýÁ¦ ½ÃÇÁ·ÎÇ÷ϻç½ÅÀÌ Çϼö¿Í ȯ°æ¿¡¼­ Ç×»ýÁ¦ ³»¼º ¹ÚÅ׸®¾Æ¸¦ Áõ°¡½Ãų ¼ö ÀÖ´Â »ó´çÇÑ À§ÇèÀÌ ÀÖ´Ù´Â °ÍÀ» ¹ß°ßÇß´Ù.


¿¬±¸¸¦ À̲ö ¿¢¼­ÅÍ ´ëÇÐÀÇ ¿¡ÀÌ¹Ì ¸Ó·¹ÀÌ(Aimee Murray) ¹Ú»ç´Â ¡°¿ì¸®´Â Ç×»ýÁ¦°¡ ȯ°æ ¿À¿°¹°ÁúÀ̶ó´Â »ç½Ç¿¡ ´ëÇÑ ´õ ¸¹Àº ÀνÄÀÌ ÇÊ¿äÇÏ´Ù. ¿ì¸®°¡ Ç×»ýÁ¦¸¦ º¹¿ëÇÒ ¶§, ±×°ÍµéÀº ¿ì¸® ¸ö¿¡ ÀÇÇØ ¿ÏÀüÈ÷ ºÐÇصÇÁö ¾Ê°í, °á±¹ Çϼö ó¸® ½Ã½ºÅÛÀ¸·Î ¹è¼³µÇ°í, ±×¸®°í ³ª¼­ ȯ°æÀ¸·Î ¹æÃâµÈ´Ù¡±¶ó¸é¼­ ¡°ÀÌ ¿¬±¸´Â Ç×»ýÁ¦ ¿À¿°ÀÌ Çϼö³ª ¾î¶² °æ¿ì¿¡´Â ¿ì¸® °­¿¡¼­ Ç×»ýÁ¦ ³»¼ºÀ» Áõ°¡½Ãų ¼ö ÀÖ´Ù´Â °ÍÀ» º¸¿©ÁØ´Ù. Ç×»ýÁ¦ ³»¼º ¼öÁØÀÌ ³ô¾ÆÁö¸é Àΰ£ÀÇ °Ç°­¿¡ ´õ Å« À§ÇùÀÌ µÈ´Ù¡±°í °­Á¶Çß´Ù.


¿¡ÀÌ¹Ì ¸Ó·¹ÀÌ ¹Ú»ç´Â ÀÌ¾î ¡°ÀÌ°ÍÀº ȯ°æ ³» Ç×»ýÁ¦ ³»¼ºÀ» Áõ°¡½ÃŲ´Ù´Â Ãø¸é¿¡¼­ ¿µ±¹¿¡¼­ Ç×»ýÁ¦°¡ Á¦±âÇÏ´Â À§Çè¿¡ ´ëÇÑ Ã¹ ¹ø° Áõ°ÅÀ̸ç, Çϼö ¿À¿°¿¡ ´ëÇÑ ÇöÀç ´ëÁßÀÇ ¿ì·Á¸¦ °í·ÁÇÒ ¶§ ¸Å¿ì ½ÃÀÇ ÀûÀýÇÏ´Ù¡¤¶ó¸é¼­ ¡£È¯°æÀ¸·ÎÀÇ Ç×»ýÁ¦ ¹æÃâÀº ÇöÀç ±ÔÁ¦µÇÁö ¾ÊÁö¸¸, ÀÌ ³í¹®°ú ´Ù¸¥ »õ·Î¿î ¿¬±¸´Â ÀÌ°ÍÀÌ ¹Ì·¡¿¡ ÇÊ¿äÇÒ ¼ö ÀÖÀ½À» ½Ã»çÇÑ´Ù¡±¶ó°í µ¡ºÙ¿´´Ù.


¿¢¼­ÅÍ ´ëÇÐÀÇ ¹Ú»ç°úÁ¤ ÇлýÀÌÀÚ °øµ¿ Á¦1ÀúÀÚÀÎ ¿¡ÀÌÇÁ¸± ÇìÀ̽º(April Hayes)´Â ¡°¿µ±¹ÀÇ ÁöÇ¥¼ö ¿À¿°¿¡ ´ëÇÑ ¿ì·Á°¡ Áõ°¡ÇÏ°í ÀÖÀ¸¸ç, ÀÌ ¿¬±¸´Â ÀǾàÇ° ¿À¿°ÀÌ À×±Û·£µå¿Í ¿þÀϽºÀÇ ¼ö¿ª¿¡µµ À§ÇùÀÌ µÈ´Ù´Â °ÍÀ» º¸¿©Áش١±°í ¸»Çß´Ù. 


¿¡ÀÌÇÁ¸± ÇìÀ̽º´Â ÀÌ¾î ¡°ÀÌ ¿¬±¸´Â ÀÌ·¯ÇÑ À§ÇèÀÌ ¿©·¯ °¡Áö ´Ù¸¥ ¿äÀεé·Î ÀÎÇØ Áö¿ªº°·Î ´Þ¶óÁú ¼ö ÀÖÀ½À» º¸¿©Áش١±¶ó¸é¼­ ¡°Ç×»ýÁ¦ ó¹æ ºñÀ²À̳ª »ç¿ëµÇ´Â Çϼöó¸®ÀÇ Á¾·ù¿Í °°Àº ÀÌ·¯ÇÑ Áö¿ª °£ÀÇ Â÷À̸¦ ´õ Àß ÀÌÇØÇÏ´Â °ÍÀÌ ÀÌ ±ä±ÞÇÑ ¹®Á¦¸¦ ÇØ°áÇÏ´Â µ¥ µµ¿òÀÌ µÉ ¼ö ÀÖ´Ù¡±°í ¸»Çß´Ù.


[±×¸² 2] °¢ À§Çè ¹üÁÖ¸¦ ÃÊ°úÇÏ´Â ½ÃÇÁ·ÎÇ÷ϻç½Å À§Çè Áö¼ö(RQ) °ªÀÇ ¹éºÐÀ²

[Ãâó = ¡ºEnvironment Internationa¡»]


[Ãâó = ¡ºEnvironment Internationa¡»]

 

¿¢¼­ÅÍ ´ëÇÐÀÇ ¹Ú»ç°úÁ¤ ÇлýÀÌÀÚ °øµ¿ Á¦1ÀúÀÚÀÎ ·Î¶ó ¸Ó¸®(Laura Murray)´Â ¡°¿À¼ö°¡ 󸮵ǰí ÀÖÀ½¿¡µµ ºÒ±¸ÇÏ°í ¿µ±¹ Çϼö À¯Ãâ¿¡ Ç×»ýÁ¦°¡ Áö¼ÓµÉ ¼ö ÀÖ´Ù. ½ÃÇÁ·ÎÇ÷ϻç½Å(ciprofloxacin)°ú °°Àº ÀϺδ Ç×»ýÁ¦ ³»¼º ¼¼±ÕÀÇ ÁøÈ­¸¦ ÃËÁøÇÒ ¼ö ÀÖ´Â ¼öÁØÀ¸·Î °­À» Æ÷ÇÔÇÑ ¿µ±¹ÀÇ ÁöÇ¥¼ö¿¡¼­ Á¸ÀçÇÒ ¼ö ÀÖ´Ù¡±¶ó¸é¼­ ¡°Æ¯È÷ ¿ì·ÁµÇ´Â °ÍÀº Æø¿ì ½Ã 󸮵ÇÁö ¾ÊÀº Çϼö°¡ ¹ü¶÷(overflow)À» ÀÏÀ¸Å³ ¼ö ÀÖ´Ù¡±°í °­Á¶Çß´Ù.


·Î¶ó ¸Ó¸®´Â ÀÌ¾î ¡°ÇÑÆíÀ¸·Î, À¯ÀÔµÈ ÇϼöÀÇ ¹èÃâÀº Çϼö°¡ 󸮵ÇÁö ¾Ê¾Ò±â ¶§¹®¿¡ ´õ ³ôÀº Ç×»ýÁ¦ ³»¼º À§ÇèÀ» ÃÊ·¡ÇÒ ¼ö ÀÖ´Ù. ´Ù¸¥ ÇÑÆíÀ¸·Î´Â ¿øÇϼö(󸮰¡ µÇÁö ¾ÊÀº ±×´ë·ÎÀÇ Çϼö)´Â ºø¹°·Î ½ÉÇÏ°Ô Èñ¼®µÇ¾î À§ÇèÀ» °¨¼Ò½Ãų ¼ö ÀÖ´Ù. È®½ÇÈ÷ ¿øÇϼöÀÇ ¹èÃâÀº Ç×»ýÁ¦ ³»¼º À§Çè¿¡ ¾î¶»°Ô ¿µÇâÀ» ¹ÌÄ¡´ÂÁö ¿ÏÀüÈ÷ ÀÌÇØÇϱâ À§Çؼ­´Â Çϼöµµ ¹ü¶÷¿¡ ´ëÇÑ ´õ ¸¹Àº ¿¬±¸°¡ ÇÊ¿äÇÏ´Ù¡±°í µ¡ºÙ¿´´Ù.


ÀÌ ¿¬±¸´Â ¿µ±¹ µ¿ºÎÁö¿ªÀÌ ¿øÇϼö¿¡¼­ Ç×»ýÁ¦ ³»¼º ¹ß´ÞÀÇ À§ÇèÀÌ °¡Àå ³ô´Ù´Â °ÍÀ» ¹ß°ßÇß´Ù. À̽ºÆ® ¹Ìµé·£µå(East Midland)´Â Àü¹ÝÀûÀ¸·Î ó¸®µÈ Çϼö¿¡¼­ °¡Àå ³ôÀº À§ÇèÀ» º¸¾Ò°í, ¿þ½ºÆ® ¹Ìµé·£µå(East Midland)¿Í »ç¿ì½º ¿þ½ºÆ®(South West)´Â ±× µÚ¸¦ ¹Ù¦ ÂѾҴÙ. ÀÌ°ÍÀº ¶ÇÇÑ Ã³¸®µÈ Çϼö¸¦ ¹Þ´Â °­°ú ÇÏõÀÇ ¼¼ Áö¿ª¿¡ ´ëÇØ °¡Àå ³ôÀº ¿¹Ãø À§ÇèÀ¸·Î Çؼ®µÇ¾ú´Ù.


¿¢¼­ÅÍ ´ëÇÐÀÇ Ç×»ýÁ¦ ³»¼º ¿¬±¸ ÇÁ·Î±×·¥ÀÇ ±¤¹üÀ§ÇÑ È¯°æ Â÷¿øÀ» À̲ø°í ÀÖ´Â Àª °ÔÀÌÁî(Will Gaze) ±³¼ö´Â ¡°Ç×»ýÁ¦ ³»¼ºÀÇ ÁøÈ­¿¡ °üÇÑ ¿ì¸®ÀÇ µ¥ÀÌÅ͸¦ Á¤Ã¥°ú ½Çõ¿¡ ¾Ë¸®´Â µ¥ »ç¿ëÇÒ ¼ö ÀÖ´Â À§Çè Æò°¡·Î ¹ø¿ªÇÏ´Â °ÍÀÌ Áß¿äÇÏ´Ù¡±¶ó¸é¼­ ¡°ÀÌ ¿¬±¸´Â ÀÌ Á¢±Ù¹ýÀÇ ÈǸ¢ÇÑ ¿¹ÀÌ´Ù¡±¶ó°í ¸»Çß´Ù.


ÀÌ ³í¹®ÀÇ Á¦¸ñÀº ¡®¿µ±¹ Çϼö ¹× ¼ö»ý ȯ°æ¿¡¼­ Ç×±Õ ÀúÇ×¼º¿¡ ´ëÇÑ ¿¹Ãø ¼±Åà : ½ÃÇÁ·ÎÇ÷ϻç½ÅÀº ½É°¢ÇÑ À§ÇèÀ» ÃÊ·¡ÇÑ´Ù(Predicting selection for antimicrobial resistance in UK wastewater and aquatic environments: Ciprofloxacin poses a significant risk)¡¯ÀÌ´Ù.


[¿ø¹®º¸±â]


Wastewater alert: research highlights antimicrobial resistance risk


 

As the dumping of untreated wastewater into the sea sparks pollution warnings, new research has identified a ¡°significant risk¡± of increasing antibiotic resistance associated with wastewater systems across the UK.


A research team, led by the University of Exeter, has carried out the most comprehensive assessment of risks posed by antibiotics in the environment in the UK to date, now published in the journal Environment International.


The team discovered that the levels of the antibiotic ciprofloxacin are likely to result in increased antibiotic resistance in wastewater and, in some cases, potentially in rivers. Ciprofloxacin is commonly used to treat respiratory, skin, and urinary tract infections, amongst other conditions.


Crucially, the research shows that antibiotic pollution from human waste poses a risk in the environment in higher income countries like the UK, despite having longstanding sanitation infrastructures.


Antibiotic resistance is recognised by the World Health Organisation as one of the greatest health threats of our time. By 2050, up to 10 million deaths each year could be caused by antibiotics and other antimicrobial drugs no longer working to treat common diseases, including respiratory tract, sexually transmitted, and urinary tract infections. The threat of resistance could also increase the risk of contracting infection after basic surgical procedures.


Around 70 per cent of the antibiotics taken as medicines end up in the natural environment, through trace residues excreted by patients and inappropriate disposal of medicines, among other sources.


Bacteria are also present in these wastewaters, and when they are exposed to antibiotics, they can evolve resistance within these environments. This could mean an increased threat to human health, if resistant bacteria enter and colonise the gut, for example through swallowing water while swimming.


A recent survey by UK Water Industry Research (UKWIR) measured the concentrations of several antibiotics in untreated wastewater entering treatment plants, and the treated wastewater that is released into rivers and streams.


The survey, conducted at 67 treatment plants across the UK, was carried out across all four seasons, over multiple years.


The research team at the University of Exeter Medical School compared this data to results from their previous studies, which determined the lowest antibiotic concentrations that increase antibiotic resistance. They found that there is a significant risk that the antibiotic ciprofloxacin could result in increased antibiotic resistant bacteria in wastewater and the environment.


Dr Aimee Murray, of the University of Exeter, who led the research, said: ¡°We need more awareness of the fact that antibiotics are environmental pollutants. When we take antibiotics, they aren¡¯t fully broken down by our bodies, but end up being excreted into our wastewater treatment system, and then released into the environment. This research shows that antibiotic pollution could increase antibiotic resistance in sewage and in some cases, our rivers. Elevated levels of antibiotic resistance pose a greater threat to human health.¡±


¡°This is the first evidence of risks posed by antibiotics in the UK in terms of driving increased antibiotic resistance in the environment, and it¡¯s very timely considering current public concern over sewage pollution. Release of antibiotics into the environment isn¡¯t currently regulated, but this paper and other emerging research suggests this may be required in future.¡±


April Hayes, PhD student at the University of Exeter and joint first author, said: ¡°Concern is increasing about pollution in our surface waters in the UK, and this research demonstrates that pharmaceutical pollution is also a threat to our waters in England and Wales. Additionally, this research shows that this risk can vary by region, likely due to a number of different factors. Further understanding of the differences between these regions, such as antibiotic prescribing rates, or types of wastewater treatment used, may help in addressing this pressing issue.¡±


Laura Murray, PhD student at the University of Exeter and joint-first author, said: ¡°Antibiotics can persist in UK wastewater effluent despite the sewage being treated. Some, such as ciprofloxacin, can be present in UK surface waters, including rivers, at levels that may drive evolution of antibiotic resistant bacteria. A particular concern is that storms and heavy rainfall can cause untreated sewage overflows. On one hand, discharge of raw sewage could result in higher antibiotic resistance risks as the sewage hasn't been treated; on the other hand, the raw sewage may be heavily diluted with rainwater, which will decrease risks. Certainly, more research on combined sewer overflows is needed to fully appreciate how raw sewage discharges impact antibiotic resistance risk."


The research found that the East of England had the highest risks of antibiotic resistance development in untreated sewage. The East Midlands saw the highest risks in treated sewage overall, with the West Midlands and the South West close behind. This also translated into highest predicted risks for these three regions in the rivers and streams receiving the treated sewage.


Professor Will Gaze, who leads the wider environmental dimension of antibiotic resistance research programme at the University of Exeter, said: ¡°It¡¯s important to translate our data on evolution of antibiotic resistance into risk assessments that can be used to inform policy and practice. This research is a great example of this approach¡±


The paper is entitled ¡®Predicting selection for antimicrobial resistance in UK wastewater and aquatic environments: ciprofloxacin poses a significant risk¡¯.


[Ãâó = ¿¢¼­ÅÍ´ëÇÐ(https://www.exeter.ac.uk/news/research/title_933375_en.html)/ 2022³â 10¿ù 13ÀÏ]


[Ãâó = Environment Internationa(https://www.sciencedirect.com/science/article/pii/S0160412022004159) / Volume 169, November 2022]

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