
daphnia pulex

daphnia pulex hii panyatil pisunchi sarvat samanya prajati aahe. tyache sarvadeshi vitaran aaheh hii prajati sampoorn america, europe aanee austreliyamadhye aadhalate. hii eka aadarsh prajati aahe aanee tyachya janukeey kramvarit asaleli tee pahili crustatian hotee.
varnan.
"dii. pulex haah eka sandhipad aahe jyachya sharirache bhag vegale karane katheen aahe. too keval tyachya parishishtandware (pratyek vibhagasathi fakt eka jodee) aanee tyachya antargat sharirshastracha abhyas karoon olakhala jaau shakato. doke vegale asate aanee sahaa bhaganni banalele asate, jeey agadi garbhapramanehi ekatra jodale jaatat. tyat tondatil bhag aanee antenachya done jodya asatat, jyapaiki dusari jodee pohanyasathi vaparlya jaanarya shaktishali avayavanmadhye vadhavali jaate. vaksh aanee pooat yanchyat konatehi spasht vibhajan disun yet nahee, jyat ektritpane paach jodya upang asatat. pranyabhovati asalele kavach pathichya kanyachya mage pasarate. itar bahutek "daphnia" prajatinpramanech, dii. laingik aanee alaingik punarutpadanamadhye paryay mhanoon, chakriy parthenogenesisdware pulex punarutpadit hote.
paryavaran.
"dii. jaree too lahan, chhayankit talavanshi sarvat jawalun sambandhit asala taree, pulex haah jalchar adhivasanchya vistrut shrenimadhye aadhalato. oligotrophic talavanmadhye, "dii. puleksmadhye rangdravya qamee asate, tarr haemoglobinchya nirmitimule hyperretrophic panyat teey chamakdar laal houu shakate.
shikar.
"daphnia" prajati yaa prushthavanshiy aanee aprushthavanshiy asha donhi prakarchya shikari pranyancha shikar aahet. dii' varr shikarichi bhoomika. pulexchya loksankhyechya paryavaranacha vyapak abhyas keela jaato aanee loksankhyechya gatishilates aakar denyat aanee bhupradesh-patalichya vitaranat haah eka pramukh farak asalyache disun aale aahe. shikaramule honanya thet loksankhyechya paryavaraniy parinamanvyatirikt, hii prakriya bhinn prakare phenotypic utkrantimadhye yogdan dete; mothya "dii. pulex "vyakti prushthavanshiy shikari pranyanna adhik drishyaman asatat, parantu aprushthavanshiy shikari pranyanna mothya pranyanna hatalata yet nahee. parinami, panyatil mothe pisu heey aprushthavanshiy shikari pranyansah aadhaltat, tarr lahan aakar prushthavanshiy shikari pranyanshi sambandhit asato.
itar kahee "daphnia" prajatinpramanech, "dii" chey aakarvidnyan. pulex 'heey shikari pranyanchya upasthitila plasticcha pratisad darshavate. fantum midaj alya ("chaoborus") caromons-rasayanik sanket sodatat-jeey dokyavar lahan, dandedar phuge vadhavanyas pravrutt karatat, jyanna "maneche daat" mhanatat, jeey aprushthavanshiy shikarichya upasthitit jaganyachi kshamata vadhavtat, parantu kharchat-vadhicha jaast vel, udaharanarth-jevha teey shikari upasthit nasatat.
paryavaraniy stoikiometry.
"dii. pulex "paryavaranshastra poshak tattvanchi upalabdhata aanee santulan yamule aakar ghete, jeey aantar-aanee aantar-vishisht parasparsanvadat madhyasthi karananya vaishishtyanvar parinam karate. kaaran anek jaivik prakriyansathi poshak tatvanchi aavashyakta asate-udaharanarth, amino acid sanshleshan-yaa poshak tattvanchi paryavaraniy upalabdhata khalchya bhagatil jivanchya vaishishtyanche niyaman karate. qamee poshak tattvanchi upalabdhata shariracha aakar aanee vadhicha darr donhi qamee karate, jeey varr namood kelyapramane, shikari pranyanshi "daphnia" sambandh niyantrit karate. "dii. visheshtah paryavaraniy stoikiometricha tapas karnyasathi pulex hii eka mahattvachi pratikruti prajati rahili aahe, jee darshavate qee zadanni talawala chhayankit kelyane shaivalatil carbonchya tulanet poshak ghatakanchi sankhya vadhate, jyamule "dii" vadhate. pulex 'shariracha aakar, aanee mhanoon spardhatmak kshamata aanee prushthavanshiy pranyandvare shikar karanyachi sanvedansheelata.
genomics.
"dii. pulex haah pahila crustatian hota jyacha genome kramvarit hota. tyachya janukanmadhye 31,000 januke aahet-manvi janukanmadhye asalelya janukanpeksha 8,000 jaast-vyapak januk nakkal jhalyamule.
dii chey sarvat aashcharyakarak vaishishtyanpaiki eka. pulex genome heey tyache sankshiptapana aaheh sumare 200 megabage jodya (mbp) aakarat asoonahi (manvi genomechya sumare 1/16 vya, jeey aakarat 3,200 mbp aahe); tyachya 12 gunasutranmadhye kiman 30,907 andajit prathine-coding janukancha sanch asato, joou manvi pratirupat asalelya 20,000-25,000 peksha jaast asato.
asha karyaksham januk packaging lahan intron aakaradvare sadhya kele jaate. kharey tarr, tarr prathinanchi sarasari lambi 'dii' madhye asate. pulex heey 'drosophila' sarkhech aahe, janukacha sarasari aakar 'dii' madhye 1000 bii. pii. qamee aahe. pulex ". vyakt kelelya anukram tagg vishleshanavarun andajit kelyapramane, sarasari intron aakar 'dii' madhye aadhalato. pulex januke 170 bii. pii. aahet.
dii' chee intron ghanata. tathapi, pulex genome haah epis meliphera sarkhach aahe, joou 'drosophila' madhye aadhalanaya genomechya duppat aahe.
daad. pulex genomemadhe janukanchi vyapak nakkal jhaali aahe, tyanantar jalad paralog vichalan aanee tandam punarrachana jhaali aahe. yaa prakriyancha parinam mhanoon, tyachya januk soochitil sumare 20 takke teen teey 80 samantar janukanni banalelya tandemspasoon banalele aahet, jyapaiki barech paryavaranas pratisad denare aahet, mhanje 'dii' chya samparkat aalyanantar teey vegalya prakare vyakt kele jaatat. jaivik kinwa ajaivik taana kinwa prakash kinwa oxygenchya patalitil chadh-utaar yasarkhya paryavaraniy aavhanansathi 'pulex'.
parthenogenesis.
"dii. pulex 'chakriy parthenogenesisdware kinwa badhya parthenogenesisdware punarutpadit karoo shakato. chakriy parthenogenesis darmyan 'dii. laingik avastha aanee parthenogenetic avasthedarmyanache pulex chakr. laingik avasthemadhye maadee ardhasutranadvare haployed undy tayar karatat aanee yaa andyanna pudhe vikasit honyasathi purushadvare garbhadhan aavashyak asate. parthenogenetic tappyat, ashee undy tayar kelee jaatat jyanna pudhe vikasit honyasathi garbhadhan aavashyak nasate. dii' chey vansh. anivarya parthenogenesisdware punarutpadit honanya pulexla dekhil garbhadhan aavashyak nasate aanee chakriy vanshavalinmadhye parthenogenesisdware utpadit andyanpasun aprabhedya asaleli thet-vikasit undy tayar karatat. parthenogenesismadhye prarambhik ardh-pratijaivik gunasutra jodani samavisht asalyache disate. chakriy aanee anivarya parthenogenesis yaa donhi darmyan, peshi vibhajanadarmyan eka dhruviy bhag baher kadhala jaato, joou ardhasutran suru jhalyache soochit karato.