
branchiostoma lansolattam

subfilum sephalocordaattayile oru lanslettaanu europian laanslett allengil medittareniyan ampheoxus enna branchiostoma lansolattam. ithu notocord ullathum ennaal nattellillaathathumaaya oru samudra akasheruvaaya jeeviyaan, koodaathe kasherukkalude parinaama vikasanam padikkaan oru maathrukaa jeeviyaayi ithu upayogikkunnu. 
shareeraghadana.
"branchiostoma lansolattathinu" oru neelamulla shareeramund, vashathayi parannathum iruvashathum choondunnathumaanu. murukeppidicha koshangalude oru karsanamaaya vadi, notocord, shareerathinte muzhuvan neelavum vyaapippikkunnu. kasherukkalil ninnu vyathyasthamayi, munbhagathu (cerebral vesicle) cheruthaayi kattiyulla lalithamaaya dorsal neural tyoobinte roopathil muthirnnavaril notocord nilanilkkunnu. ithinu mukalil orotta munkannulla oru naadi naadi undu. vaaya shareerathinte adibhaagathaanu, 20 allengil 30 siri allengil nerttha censory anubandhangalaal chuttappettirikkunnu. kudalile notocordinu thottuthaazhe vaayil ninnu gudadvaaram vare, walk munnil oodunnu. pooyint cheytha vaalinu chuttum flap poleyulla lambamaya oru chirakundu. madhyamekhalayile gill cheettukaliloode vellam kadannupokukayum ivayude thottupinnilaayi vibhajicha gonadukal kidakkukayum cheiyunnathinaal vathaka kaimaattam nadakkunnu. muthu veluthathum ardha sutharyavumaaya eee mrugam aantharika avayavangale puratthu ninnu kaanaan prapthamaakkunnu. athinte roopam oru "aadima malsyathinu" samaanamaan. ithinu 6 centimeter (2.5 inch) vare neelam vare valaraan kazhiyum.
vitharanavum aavaasavyavasthayum.
"vadakkukizhakkan atlaantik samudrathile aazhamillaatha kadalukalil, thekk norwayil 67°enn muthal medittareniyan kadal vareyum kizhakk karinkadal vareyum branchiostoma lansolattam kaanapedunnu. suus kanaaliloode indian mahaasamudrathinte vadakkan bhaagangalilekkum kizhakkan aafrikkayude theerangalilekkum athinte paridhi vyaapichittund. manal, charal, shell sakalangal thudangiya mriduvaaya substrateukalil ithu kuzhikkunnu, kanangalude valuppathekkurich ithu valare prathyekathayullathaanu. thaazhnna veliyettathil ninnu ekadesham 40 meter (130 adii) vare ithu sambhavikkunnu.
jeevashasthram.
vadakkan kadalil juun, juulai maasangalilaan prajananam nadakkunnathu. 2 muthal 3 vayass vare praayamulla muthirnna "branchiostoma lansolattam" samudranirappil koottamaayi othukoodunnu. vyakthikal aann allengil penn aanu, varshathil orikkal muttayidunnu. muttakal idukayum beejasankalanam baahyamaayi nadakkukayum cheiyunnu. laarvakalude aadya gattangal substratilaanu nadakkunnathenkilum kurachu kazhinju laarvakal pelajikkaayi maarunnu. avaa neelameriyathum vashath parannathumayathinaal gill slittukalkk chuttum veertha pradeshamundu. eee cheettukalude ennam 6 muthal 19 vare aanu, laarvakal athinte vividha ghattangaliloode kadannupokumbol eee ennam vardhikkunnu. larvakalkku lambamaya dainamdina kudiyettamundu. ellah vaikunneravum avaa kadalinte uparithalathinaduthu athukayum raavile avar jalanirappiloode mungukayum, thaazhekku erangumbol phytoplankton, koppepodukal, ditrittas enniva bhakshikkukayum cheiyunnu. eee uparithala jalangalil avaa vaidyuthadhaarayodoppam ozhukunnu. larvayude ghattam 200 divasam vare neendunilkkum.
toll-like resepterukal (tlr) kordettukalil swathasidhamaaya rogaprathirodha prathikaranam srishtikkunnathinulla koshajwalana paathakalude pradhana madhyastharaayi pravartthikkunnu. ampheoxus tlrs protein gadanayumaayi bandhapetta samanamaaya chattakkood nilanirtthiyennathinu daatta thelivukal theliyichittundu, athesamayam tlr akasherukkalude vamshavali undaayirunnittum samanamaaya savisheshathakal pradarshippikkunnu. churukkatthil, ampheoxasile tlr kasherukkal tlr vamshavumaayi oru paraphyletic bandham nirddeshikkunnu.
gaveshanam.
branchiostoma lansolattam" ennathinte mitocondrial genome krameekarikkukayum kasherukkalude vikasanam padikkunnathinulla oru maathrukaa jeeviyaayi eee jeevivarggam pravartthikkukayum cheiyunnu. coding jeenukalum rund rrna jeenukalum krameekarichirikkunna reethi zee lampray ("petromysone marinus") upayogikkunna samghadanaa reethikk thulyamaanu. eee daatta, mattullavaykkoppam, "branchiostoma lansolattavum" kasherukkalum thammilulla adutha bandhathe soochippikkunnu.
varshathil niravadhi thavana thermal shock upayogichu muthirnnavare laboratariyil mulaykkaan prerippikkaam. laabile roopaantharam 1 muthal 3 maasathinullil sambhavikkunnu. 2015 muthal, eee inathil pravartthikkunna vividha laabukalil ninnulla layippicha sramamaaya amphiencode kansorshyam, genomic daatta pothuvaayi axus cheyyaavunna oru kendreekritha plaattphom nalkunnu.

