Shopping Cart
Your Cart is Empty
There was an error with PayPalClick here to try again
CelebrateThank you for your business!You should be receiving an order confirmation from Paypal shortly.Exit Shopping Cart





Mundo de microbios

Posted by WEBMASTER on June 18, 2012 at 5:20 PM

¿Cuántos microbios viven en nuestro cuerpo?

"Cuando me levanto de la silla, se levantan conmigo diez veces más células bacterianas que humanas", dice Bruce Birren.

Él es uno de los cientos de científicos estadounidenses que están elaborando el mayor mapa hecho hasta ahora de los microbios que viven dentro de nosotros.

El Human Microbiome Project (Proyecto del Microbioma Humano) ha catalogado muchas de las bacterias, virus y otros organismos que viven en contacto íntimo con nosotros.

No se trata de gérmenes que necesitan ser eliminados, sino de una parte fundamental de nuestro organismo, precisan los investigadores.

Hasta ahora conocíamos muy poco sobre los billones de microbios que habitan en nuestros cuerpos.

Durante siglos, solo podíamos investigar los microbios que sobreviven en un laboratorio y estudiarlos aisladamente; a menudo solo de uno en uno.

Pero con la mejora de las tecnologías que secuencian el ADN, el Proyecto del Microbioma Humano ha sido capaz de descubrir microbios que no habían sido vistos antes y observar cómo se comportan en comunidad.

"Bichos beneficiosos"

Buena parte de los resultados de este proyecto que comenzó hace cinco años han sido publicados en las revistas Nature y PLoS.

Los expertos de los Institutos Nacionales de Salud de EE.UU. extrajeron muestras de microbios de más de 200 hombres y mujeres en buen estado de salud.

Y las pruebas mostraron que hay más de 10.000 diferentes tipos de organismos en el microbioma de un humano sano.

La mayoría de ellos parecen no ser dañinos. De hecho, cada vez hay más pruebas de que estos microbios nos benefician de distintas maneras.

Algunos nos permiten obtener energía de la comida y otros nos ayudan a absorber nutrientes, como las vitaminas.

Los científicos están interesados en particular en saber por qué estas bacterias dejan de cumplir a veces su función.

"Ahora tenemos un listado telefónico de cien de estos microbios, que en un determinado medio ambiente, pueden convertirse en malos", dice Curtis Huttenhower, de la Escuela de Salud Pública de Harvard, otro de los colaboradores del proyecto.

Huttenhower explica que la capacidad de consultar esta nueva base genética y de investigar los microbios que dejan de cumplir su función será de gran importancia a largo plazo.

Territorio desconocido

Lita Proctor, que dirige el programa, dice que cada vez tienen más claro que nuestro microbioma se desarrolla en las primeras etapas de nuestra vida.

"El genoma humano es heredado pero el microbioma humano es adquirido y eso significa que tiene propiedades mutantes y cambiantes muy importantes".

"Eso nos da algo importante con lo que trabajar en la clínica. Si puedes manipular el microbioma, puedes mantenerlo sano o también sanar el que no lo está", dice.

¿Pero quién es propietario de los microbiomas que habitan nuestros cuerpos? y ¿qué supone esto para la regulación de los alimentos probióticos que pueden cambiarlos?

Son preguntas que formula la experta en ética Any McGuire, de la estadounidense Escuela de Medicina Baylor, y que, según ella, necesitarán ser limadas conforme avance nuestro conocimiento de este área.

Pero aún nos queda mucho por conocer sobre cómo se relaciona el microbioma con las células humanas, dice el profesor David Relman, de la Universidad de Stanford.

"Es todavía un territorio desconocido. Incluso aunque es nuestro terreno, aún estamos descubriendo nuevas formas de vidas en él", asegura.

Categories: None

Post a Comment


Oops, you forgot something.


The words you entered did not match the given text. Please try again.

Already a member? Sign In


Reply hermes handbags
11:01 AM on January 20, 2022 
I simply wanted to thank you so much yet again. I'm not certain the things I would have tried in the absence of the entire techniques shared by you relating to that problem. It absolutely was the frightening setting in my view, however , understanding your specialized tactic you resolved that forced me to jump over joy. I am happy for this assistance and then believe you are aware of a powerful job you are providing teaching most people using your web site. I am certain you've never met all of us.
hermes handbags
Reply yeezy 700
10:16 AM on January 20, 2022 
I simply needed to thank you so much again. I am not sure the things I would have achieved in the absence of the actual creative concepts provided by you directly on such problem. It was before the scary scenario for me personally, however , discovering a specialised form you handled it forced me to leap over contentment. I'm happy for your service as well as trust you comprehend what an amazing job you happen to be putting in educating other individuals all through a blog. Most likely you haven't got to know all of us.
yeezy 700
Reply air jordan
10:15 AM on January 20, 2022 
I intended to create you this very little note to help give thanks again about the wonderful thoughts you've documented on this site. It was so shockingly open-handed of you to provide unreservedly all that a number of us could possibly have marketed for an electronic book to end up making some money on their own, certainly given that you might well have done it if you ever desired. The tricks in addition acted like a great way to realize that other people online have a similar fervor just as mine to grasp many more with respect to this issue. Certainly there are millions of more enjoyable occasions in the future for individuals that look over your site.
air jordan
Reply supreme clothing
10:15 AM on January 20, 2022 
I not to mention my friends happened to be going through the great helpful hints located on your web site and quickly got an awful feeling I never expressed respect to the site owner for those techniques. These boys came joyful to read through all of them and already have seriously been taking pleasure in these things. I appreciate you for genuinely simply kind and then for choosing this kind of tremendous resources most people are really wanting to be aware of. Our own sincere regret for not expressing gratitude to sooner.
supreme clothing
Reply yeezy
10:13 AM on January 20, 2022 
My spouse and i were very glad when Jordan could carry out his investigations while using the precious recommendations he acquired through your web pages. It is now and again perplexing to just happen to be handing out instructions which usually other people have been selling. So we see we now have you to thank because of that. Those explanations you made, the easy website menu, the friendships you will give support to create - it is most impressive, and it is assisting our son and our family believe that the situation is entertaining, which is certainly quite essential. Many thanks for all the pieces!
Reply supreme new york
10:13 AM on January 20, 2022 
Thank you a lot for providing individuals with an extraordinarily splendid possiblity to read articles and blog posts from this web site. It can be very fantastic plus full of a great time for me personally and my office friends to search your web site no less than three times weekly to find out the new stuff you have got. And of course, I'm actually fascinated for the splendid tips you serve. Some 3 areas on this page are essentially the best we've ever had.
supreme new york
Reply moncler jackets
9:10 AM on January 20, 2022 
I have to show appreciation to you for rescuing me from such a problem. Right after checking throughout the the web and coming across advice that were not productive, I believed my life was well over. Being alive without the strategies to the difficulties you've resolved by means of your main guideline is a crucial case, and those that could have negatively affected my entire career if I hadn't encountered the blog. The ability and kindness in playing with the whole thing was valuable. I am not sure what I would have done if I had not come across such a thing like this. I'm able to at this point look forward to my future. Thanks a lot very much for this specialized and effective guide. I will not be reluctant to endorse your web site to anyone who will need tips on this area.
moncler jackets
Reply cialis at canadian pharmacy
7:31 AM on January 20, 2022 
tadalafil order online no prescription where to buy tadalafil on line
Reply nike lebron shoes
7:17 AM on January 20, 2022 
I'm just writing to let you be aware of what a remarkable encounter my princess found visiting your web page. She figured out a lot of details, not to mention what it is like to have an ideal helping nature to let other people just gain knowledge of chosen tricky matters. You truly surpassed people's expectations. Thanks for churning out the helpful, trusted, edifying as well as easy guidance on this topic to Evelyn.
nike lebron shoes
Reply yeezy
5:54 AM on January 20, 2022 
I truly wanted to write down a brief comment to thank you for those nice concepts you are giving here. My extended internet research has now been recognized with beneficial ideas to share with my contacts. I would assume that we site visitors actually are definitely blessed to live in a fabulous site with so many marvellous individuals with helpful opinions. I feel very privileged to have used your entire webpage and look forward to some more pleasurable minutes reading here. Thanks again for everything.
Reply Markslild
5:49 AM on January 20, 2022 
best female viagra over the counter
Reply yeezy shoes
5:19 AM on January 20, 2022 
Thank you so much for giving everyone remarkably splendid chance to discover important secrets from this website. It is often so ideal and also packed with a lot of fun for me and my office colleagues to visit your web site the equivalent of 3 times a week to read through the latest guides you have. And of course, I'm just always pleased considering the dazzling advice served by you. Some two points in this post are truly the most effective I've ever had.
yeezy shoes
Reply retro jordans
5:18 AM on January 20, 2022 
I and also my buddies ended up checking out the excellent information and facts located on your web blog and suddenly I had a horrible feeling I never thanked the web site owner for those strategies. The young men appeared to be consequently stimulated to read them and have in reality been taking pleasure in those things. Appreciation for really being considerably helpful as well as for deciding on varieties of notable subject areas most people are really wanting to be informed on. Our sincere apologies for not expressing appreciation to earlier.
retro jordans
Reply kevin durant shoes
5:09 AM on January 20, 2022 
I truly wanted to post a simple note to be able to thank you for the awesome guides you are showing at this site. My extensive internet investigation has now been paid with good ideas to go over with my two friends. I 'd admit that most of us readers are unequivocally blessed to exist in a great network with so many awesome professionals with useful things. I feel quite privileged to have discovered your entire website and look forward to plenty of more awesome minutes reading here. Thanks a lot again for everything.
kevin durant shoes
Reply lebron 17
4:23 AM on January 20, 2022 
I really wanted to write a quick word to say thanks to you for these awesome pointers you are writing here. My long internet research has finally been honored with reliable tips to talk about with my good friends. I would tell you that we readers actually are definitely endowed to dwell in a great community with many special professionals with great tactics. I feel really happy to have used your website page and look forward to tons of more cool moments reading here. Thanks once again for all the details.
lebron 17
Reply yeezy boost 350
4:11 AM on January 20, 2022 
Thanks so much for giving everyone an extraordinarily splendid possiblity to read in detail from this website. It is always very amazing and also packed with a lot of fun for me and my office fellow workers to visit your website not less than 3 times a week to learn the fresh things you will have. And lastly, I'm also usually amazed concerning the very good concepts you give. Some 2 ideas in this article are without a doubt the simplest we have had.
yeezy boost 350
Reply jordan 11
3:47 AM on January 20, 2022 
I wish to show some thanks to the writer just for bailing me out of this particular scenario. Because of looking out throughout the the web and obtaining things which were not beneficial, I thought my life was gone. Being alive devoid of the solutions to the problems you have solved by means of your good posting is a critical case, as well as the kind which may have badly affected my career if I hadn't discovered your blog. Your good knowledge and kindness in taking care of all the things was very helpful. I'm not sure what I would've done if I hadn't discovered such a stuff like this. I can at this point look forward to my future. Thank you very much for this skilled and sensible help. I will not think twice to endorse the sites to any person who should receive care on this subject.
jordan 11
Reply Wimslild
3:30 AM on January 20, 2022 
ivermectin antiviral
Reply yeezy shoes
1:51 AM on January 20, 2022 
I want to express my respect for your generosity supporting all those that really want guidance on the concern. Your special dedication to getting the message up and down appeared to be wonderfully invaluable and have encouraged professionals just like me to realize their targets. Your own informative useful information can mean a lot a person like me and further more to my mates. Thank you; from each one of us.
yeezy shoes
Reply yeezy shoes
1:46 AM on January 20, 2022 
I must show my appreciation to you for bailing me out of this type of incident. As a result of surfing around throughout the the web and obtaining techniques that were not pleasant, I believed my life was over. Existing devoid of the approaches to the problems you've sorted out by way of your entire guideline is a serious case, as well as ones that would have in a negative way affected my entire career if I had not noticed the blog. That knowledge and kindness in touching a lot of things was useful. I am not sure what I would have done if I hadn't discovered such a thing like this. I can also at this moment look forward to my future. Thank you very much for this expert and amazing help. I will not think twice to refer your web page to anybody who needs support about this issue.
yeezy shoes