Mun shuka tsaba da kwakwalwa?

Shuka tsaba na iya amfani da kankanin "tarar da kwakwalwarmu" to taimake su yanke shawara su germinate ko su zauna a Jihar rashin aiki. Wannan ne evidenced da wani sabon kimiyya binciken.

Wadannan iri "kwakwalwa" ba shi da na gargajiya m kwayoyin halitta a matsayin wani mutum, amma ga aiwatar da bayanai ta amfani da wannan tsari ta hanyar da aikin mu yammancin duniya. Tsire-tsire cascade fassara sakonni daga ji ba gani, don yanke shawara a lokacin da suka fara sprout.

Tsire-tsire suna kamar mutane

"Tsire-tsire suna kamar mutane a ji cewa suna da tunani da kuma yin yanke shawara, kamar yadda muke da shi," - ya ce binciken co-marubucin Dzhordzh Bassel, wani masanin halitta, a Jami'ar Birmingham a Ingila. A cewar Bassel, mutane yin yanke shawara yin amfani da wani karamin rukuni na musamman Kwayoyin na juyayi tsarin, located a cikin kwakwalwa.

"Kamar wani mutum barci ciki da iri akwai sosai kananan yawan Kwayoyin cewa yin yanke wasu shawara. Wadannan Kwayoyin suna da kama da sel da juyayi tsarin, "- ya ce Bassel a Live mujallar Science.

Bisa ga masanin kimiyya, masu bincike na iya wata rana amfani da wadannan ra'ayoyi wajen samar da tsaba da cewa germinate a lokaci guda kowace kakar, kazalika da samar da mafi girma da kariya wajen canza yanayin damina.

Abinci for tunani

Da ra'ayin cewa shuke-shuke iya ji, ji ko gani a duniyar kimiyya da cikakken ba sabon. Masu bincike sun nuna cewa seedlings germinate a karkashin wasu mita sauti ko hanzarta ci gaban, a lokacin da kusa da sauran gasar jinsunan. Kuma, a cewar wani binciken gudanar a shekara ta 2007 (da aka bayyana a mujallar Oecologia), shuke-shuke iya sadarwa tare da juna idan sun kasance cikin hadari.

Saboda haka, bisa ga halitta Bassel, da ra'ayin "tunanin" na shuke-shuke ba kamar yadda yanzu-debo kamar yadda iya ze farko duba. Daya daga cikin shaidun da cewa daidai aiki na bayanai game da yanayi ne da muhimmanci ga rayuwa da shuka, shi ne lokacin da iri germination.

Da muhimmancin da iri

Tsaba dokoki da kawai hanyar da shuka iya matsar da babba nisa daga m yanayi domin rayuwa a mafi dace. Za su iya tafiya mai nisa daga ana ci abinci da dabbobi, ko aiwatar da iska. A cewar Bassel, a cikin wannan hanya da shuka yana amfani da hanya daya motsi a cikin lokaci da kuma sarari. Basel ce cewa dormant tsaba ne a cikin ƙasa, muddin da yawan zafin jiki ko wasu yanayi ne ba dama. Sun iya inganta su chances na rayuwa.

Tsire-tsire tunanin inji

Don gane da yadda tsire-tsire yin yanke shawara, da masanin kimiyyar da takwarorinsa halitta dijital atalas kowane mutum cell tãyuna (iri) da tsire-tsire Tala ko Arabidopsis thaliana. da masu bincike sa'an nan tsara da wuraren da wasu hormones, kamar yadda mai mulkin, suna located ciki da iri.

Suka gane cewa biyu hormones da cewa an san taka rawa a cikin germination, gibberellin (GA) da kuma abscisic acid (Aba), dauke a high yawa a cikin tip tayi zai tushen.

Daga 3000-4000 Kwayoyin dauke a cikin tsaba daga game da 25 zuwa 40, a fili taka gagarumar rawar a cikin aiki da wadannan ji ba gani. Wani sashi na Kwayoyin samar hormones GA, samar da wani siginar zuwa germinate, yayin da sauran kashi na sel located wasu nesa samar da Aba, wata alama da cewa ya inganta "kasancewa a cikin mafarki." Bincike ya nuna cewa hormones ana musayar tsakanin sakonni.

"Amfani da wadannan biyu sakonni na samar da duka biyu girma da kuma dakatar da shi", - ya ce Bassel a Live Science.

A cikin sauran cell samar da karin Aba, fiye da GA. Kuma tare da kyautata yanayin ne iri matakin GA hormone ƙaruwa hankali muddin "cibiyar na yanke shawara yin" iri fara sigina cewa shi ne mafi alhẽri a fara sprout, fiye da ci gaba da zama a cikin wani jihar da hutawa. Wannan dabarar da aka bayyana da masu bincike a cikin kimiyya aiki, da aka buga a mujallar gabatarwar na National Academy of Sciences.

germination lokaci

A tawagar da masu bincike kai wucin gadi canji a hormone matakan aiki a tsire-tsire. Experience ya nuna cewa ta sabawa hormone matakan da sigina watsa lokaci, iri germination iya sarrafa lokaci.

"A tsaba na shuke-shuke yin biyu sabani cibiyar na hadaddun rabu da wani wasu nesa. Har ila yau a cikin mota bawo na mutum kwakwalwa ne guda biyu raba hemispheres Tafarkin motsi ko sauran, "- ya ce Bassel.

"A dabbobi, da rabuwa da wadannan yankuna biyu hana mai haɗari turu daga jiki na tilastawa dauki ba daidai ba yanke shawara", - da masanin kimiyyar lura.

Bincike ya tabbatar da cewa da shuka rabo tsakanin yankuna na "girma" da kuma "zaman lafiya" ne aka yi nufi ga yanke shawarwari masu muhimmanci ga su zama, ta germination a lokaci a lokacin da yanayi zazzabi ne kullum canja. Shi ne ba a bayyana dalilin da ya sa zazzabi bambancin da ya zama haka muhimmanci ga shuke-shuke, amma daya daga cikin dalilan ta'allaka ne da cewa wannan tsari ya taimaka wa shuke-shuke zuwa ji yadda asallanta ne mai zurfi a cikin ƙasa. A zurfi su ne, da mafi buffered da zazzabi canje-canje. "Wani alama ne da cewa da yawan zafin jiki da hawa da sauka lura lokacin da canza yanayi sau da yawa. Canje-canje iya taimaka da tsaba a fuskanci miƙa mulki zamani ", - ya bayyana Bassel.

The kowa na tsakanin shuke-shuke da dabbobi

"A ra'ayin al'umma na shuke-shuke, da dabbobi, da kwakwalwa tsarin ne sosai m saboda Flora da fauna ne a fili samo asali daga wannan ilimin Halittar Jiki Tsarin," - ya ce Bassel. Bisa ga latest kimiyya da bincike, da magabata na shuke-shuke da dabbobi da aka guda jam'iyya, a irin wannan algae, kwayoyin da cewa wanzu biliyan 1.6 da suka wuce.

Kamar yadda bincike na kimiyya, da aka buga a 2002 a mujallar Science, duk da wannan babban juyin rata, da shuke-shuke da dabbobi aiki a kan kowa ka'idojin, wanda ya ba su da wani amfani a amsawa ga canza yanayi. "Kuma tsirrai da dabbobi, saboda da tsarin juyin halitta, saba a irin wannan hanya", - ya ce Bassel.