{"id":398,"date":"2019-06-14T11:43:34","date_gmt":"2019-06-14T09:43:34","guid":{"rendered":"https:\/\/www.ibot.cas.cz\/oddeleni-evolucni-biologie-rostlin\/?page_id=398"},"modified":"2019-06-14T12:12:10","modified_gmt":"2019-06-14T10:12:10","slug":"temata-vyzkumu","status":"publish","type":"page","link":"https:\/\/www.ibot.cas.cz\/oddeleni-evolucni-biologie-rostlin\/?page_id=398&lang=cs","title":{"rendered":"T\u00e9mata v\u00fdzkumu"},"content":{"rendered":"<p><strong><u>Hlavn\u00ed sm\u011bry v\u00fdzkumu<\/u><\/strong><\/p>\n<p><em><strong>Evoluce na genomov\u00e9 \u00farovni<\/strong><\/em><\/p>\n<p><u>Cizorod\u00e9 \u010d\u00e1sti genomu u trav z tribu Triticeae<\/u><\/p>\n<p>Tr\u00e1vy ze skupinyTriticeae (\u010dele\u010f lipnicovit\u00e9 \u2013 Poaceae) jsou fascinuj\u00edc\u00ed uk\u00e1zkou toho, jak spletit\u00e1 m\u016f\u017ee evoluce b\u00fdt, nebo\u0165 se v n\u00ed uplat\u0148uj\u00ed takov\u00e9 jevy, jako je nap\u0159. vz\u00e1jemn\u00e1 hybridizace mezi p\u0159\u00edslu\u0161n\u00edky jin\u00fdch skupin (u \u017eivo\u010dich\u016f naprosto nemysliteln\u00e1 z\u00e1le\u017eitost) a \u010dast\u00e1 polyploidizace. Mnoh\u00e9 tr\u00e1vy z t\u00e9to skupiny ve sv\u00e9m genomu obsahuj\u00ed i cizorod\u00e9 \u00faseky, kter\u00e9 poch\u00e1z\u00ed z fylogenetick\u00e9ho hlediska z velmi vzd\u00e1len\u00fdch zdroj\u016f, a p\u0159edpokl\u00e1d\u00e1 se, \u017ee se do genomu dostaly jinou cestou ne\u017e k\u0159\u00ed\u017een\u00edm, tzv. horizont\u00e1ln\u00edm p\u0159enosem gen\u016f. P\u0159edm\u011btem v\u00fdzkumu je zejm\u00e9na zji\u0161t\u011bn\u00ed p\u016fvodu a dal\u0161\u00edho v\u00fdvoje tohoto cizorod\u00e9ho genetick\u00e9ho materi\u00e1lu v r\u00e1mci genomu. S pomoc\u00ed molekul\u00e1rn\u00edch, bioinformatick\u00fdch a cytogenetick\u00fdch n\u00e1stroj\u016f jsou cizorod\u00e9 \u00faseky v genomech studovan\u00fdch rostlin lokalizov\u00e1ny, charakterizov\u00e1ny a fyzicky mapov\u00e1ny.<\/p>\n<p><u>DNA endoreplikace<\/u><\/p>\n<p>DNA endoreplikace, tj. polyploidizace ur\u010dit\u00fdch pletiv a bun\u011bk na \u00farovni jedince, je pom\u011brn\u011b \u010dast\u00fdm fenom\u00e9nem n\u011bkter\u00fdch rostlinn\u00fdch \u010deled\u00ed, ale jej\u00ed evolu\u010dn\u00ed v\u00fdznam je st\u00e1le p\u0159edm\u011btem diskuz\u00ed a polemik. Jednozna\u010dn\u00fd n\u00e1zor na v\u011bc je nav\u00edc komplikov\u00e1n faktem, \u017ee ned\u00e1vno byla u orchidej\u00ed objevena tzv. \u010d\u00e1ste\u010dn\u00e1 enodreduplikace, p\u0159i kter\u00e9 nen\u00ed polyploidizov\u00e1n cel\u00fd genom, ale jen jeho \u010d\u00e1st, kter\u00e1 je nav\u00edc druhov\u011b specifick\u00e1 (ka\u017ed\u00fd druh m\u00e1 jinak velkou \u010d\u00e1st genomu, kter\u00e1 se v r\u00e1mci endoreplikace multiplikuje). V\u00fdzkum je zam\u011b\u0159en na nalezen\u00ed konkr\u00e9tn\u00edch ekologick\u00fdch, fyziologick\u00fdch \u010di jin\u00fdch faktor\u016f, kter\u00e9 r\u016fznou m\u00edru endoreplikace podmi\u0148uj\u00ed.<\/p>\n<p><em><strong>Mikroevolu\u010dn\u00ed procesy v populac\u00edch rostlin (p\u0159\u00edkladov\u00e9 studie)<\/strong><\/em><\/p>\n<p><em><u>Pilosella echioides<\/u><\/em><u> (jest\u0159\u00e1bn\u00edk hadincov\u00fd)<\/u> p\u0159edstavuje unik\u00e1tn\u00ed polyploidn\u00ed komplex, kter\u00fd navzdory v\u00fdhradn\u011b pohlavn\u00ed tvorb\u011b na\u017eek vytv\u00e1\u0159\u00ed ojedin\u011ble populace s p\u0159evahou triploid\u016f (co\u017e je vlastnost u pohlavn\u011b se mno\u017e\u00edc\u00edch organism\u016f velmi neobvykl\u00e1). Takov\u00ed triploidi v populac\u00edch interaguj\u00ed s dal\u0161\u00edmi hlavn\u00edmi cytotypy (diploidy a tetraploidy) a produkuj\u00ed \u017eivotaschopn\u00e9 potomstvo. Na druhou stranu se zd\u00e1, \u017ee sm\u00ed\u0161en\u00e9 populace v\u00edce cytotyp\u016f jsou u tohoto druhu udr\u017eov\u00e1ny hlavn\u011b klon\u00e1ln\u00edm r\u016fstem, kter\u00fd je u polyploidn\u00edch jedinc\u016f mnohem v\u00fdrazn\u011bj\u0161\u00ed ne\u017e u diploid\u016f.<\/p>\n<p><em><u>Tripleurospermum inodorum<\/u><\/em><u> (he\u0159m\u00e1nkovec nevonn\u00fd)<\/u> je \u0161iroce roz\u0161\u00ed\u0159en\u00fdm plevelem obd\u011bl\u00e1van\u00e9 p\u016fdy, typicky se vyskytuj\u00edc\u00ed ve dvou ploidn\u00edch \u00farovn\u00edch (diploidn\u00ed a tetraploidn\u00ed), kter\u00e9 v Evrop\u011b vytv\u00e1\u0159\u00ed \u0161irokou kontaktn\u00ed z\u00f3nu. Jej\u00ed mozaikovit\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed napom\u00e1h\u00e1 \u010dast\u00e9mu kontaktu obou ploidi\u00ed a tvorb\u011b sm\u00ed\u0161en\u00fdch populac\u00ed, kde doch\u00e1z\u00ed k vz\u00e1jemn\u00e9 hybridizaci a vzniku triploid\u016f. Triploidn\u00ed jedinci jsou \u017eivotaschopn\u00ed, \u010d\u00e1ste\u010dn\u011b fertiln\u00ed a produkuj\u00ed v\u011bt\u0161inou aneuploidn\u00ed potomstvo. Ve sm\u00ed\u0161en\u00fdch populac\u00edch tak vznikaj\u00ed reproduk\u010dn\u00ed vztahy, kter\u00e9 vedou ke vzniku cytogenetick\u00e9 diverzity a zaji\u0161\u0165uj\u00ed genetick\u00fd tok mezi diploidy a tetraploidy. Nav\u00edc maj\u00ed he\u0159m\u00e1nkovce d\u00edky p\u0159ev\u00e1\u017en\u011b jednolet\u00e9mu \u017eivotn\u00edmu cyklu v\u00fdraznou meziro\u010dn\u00ed dynamiku jak v popula\u010dn\u00edch hustot\u00e1ch, tak v ploidn\u00edm slo\u017een\u00ed, a vytv\u00e1\u0159\u00ed t\u00edm unik\u00e1tn\u00ed syst\u00e9m umo\u017e\u0148uj\u00edc\u00ed studium podm\u00ednek koexiestence cytotyp\u016f na lok\u00e1ln\u00ed \u00farovni.<\/p>\n<p><u>Fylogeografie <em>Alnus glutinosa<\/em> (ol\u0161e lepkav\u00e9) a <em>Alnus incana<\/em> (ol\u0161e \u0161ed\u00e9)<\/u><\/p>\n<p>V sou\u010dasn\u00e9 dob\u011b s\u00edl\u00ed mno\u017estv\u00ed d\u016fkaz\u016f proti p\u016fvodn\u00edmu konceptu postglaci\u00e1ln\u00ed kolonizace Evropy z ji\u017en\u011b polo\u017een\u00fdch refugi\u00ed. Zd\u00e1 se, \u017ee situace je mnohem slo\u017eit\u011bj\u0161\u00ed a \u0161\u00ed\u0159en\u00ed n\u011bkter\u00fdch druh\u016f prob\u00edhalo zcela ur\u010dit\u011b jinak. Na\u0161\u00edm c\u00edlem v r\u00e1mci tohoto projektu je zrekonstruovat pravd\u011bpodobnou rekolonizaci Evropy u dvou strom\u016f \u2013 bore\u00e1ln\u00ed ol\u0161e \u0161ed\u00e9 a temper\u00e1tn\u00ed ol\u0161e lepkav\u00e9. K tomuto \u00fa\u010delu je vyu\u017eit modern\u00ed fylogeografick\u00fd p\u0159\u00edstup zalo\u017een\u00fd na kombinaci molekul\u00e1rn\u00edch (chloroplastov\u00fdch i mikrosatelitov\u00fdch) a paleoekologick\u00fdch dat spojen\u00fd s modelov\u00e1n\u00edm ekologick\u00fdch nik a n\u00e1sledn\u00fdm testov\u00e1n\u00edm pomoc\u00ed bayesovsk\u00e9ho (ABC) modelov\u00e1n\u00ed.<\/p>\n<p><em><u>Hieracium<\/u><\/em><u> podrod <em>Pilosella<\/em> (chlup\u00e1\u010dci)<\/u>, je velmi slo\u017eit\u00e1 skupina jest\u0159\u00e1bn\u00edk\u016f, kter\u00e1 je \u010d\u00e1ste\u010dn\u011b apomiktick\u00e1 a je proslul\u00e1 olb\u0159\u00edm\u00ed variabilitou (kter\u00e1 vedla k popisu tis\u00edc\u016f taxon\u016f). Hlavn\u00edmi zdroji spletit\u00e9 struktury t\u00e9to skupiny jsou polyploidizace, kombinace pohlavn\u00edho a apomiktick\u00e9ho zp\u016fsobu tvorby na\u017eek, \u0161iroce roz\u0161\u00ed\u0159en\u00e1 hybridizace a vegetativn\u00ed rozmno\u017eov\u00e1n\u00ed. N\u00e1\u0161 t\u00fdm je zam\u011b\u0159en na zkoum\u00e1n\u00ed cytogeografie (zejm\u00e9na s vyu\u017eit\u00edm pr\u016ftokov\u00e9 cytometrie), reproduk\u010dn\u00ed mozaiky (experiment\u00e1ln\u00ed k\u0159\u00ed\u017een\u00ed, FCSS anal\u00fdza na\u017eek) a interakci jednotliv\u00fdch ploidn\u00edch \u00farovn\u00ed v modelov\u00fdch populac\u00edch (tok gen\u016f). Zvl\u00e1\u0161tn\u00ed pozornost je d\u00e1le v\u011bnov\u00e1na roli zbytkov\u00e9 sexuality fakultativn\u00edch apomikt\u016f na slo\u017een\u00ed a strukturu populac\u00ed ve st\u0159edn\u00ed Evrop\u011b a na Balk\u00e1n\u011b.<\/p>\n<p><em><strong>Evoluce na druhov\u00e9 \u00farovni (p\u0159\u00edkladov\u00e9 studie)<\/strong><\/em><\/p>\n<p><u>Polyploidi u ol\u0161\u00ed<\/u><\/p>\n<p>V ned\u00e1vn\u00e9 dob\u011b byly nalezeny a pro v\u011bdu poprv\u00e9 pops\u00e1ny dva nov\u00e9 druhy tetraploidn\u00edch ol\u0161\u00ed \u2013 <em>Alnus lusitanica,<\/em> endemit Pyrenejsk\u00e9ho poloostrova a <em>A. rohlenae,<\/em> endemit Din\u00e1rsk\u00fdch alp. P\u0159edm\u011btem na\u0161eho v\u00fdzkum je p\u016fvod t\u011bchto tetraploidn\u00edch strom\u016f, jejich postglaci\u00e1ln\u00ed historie a interakce s bl\u00edzce p\u0159\u00edbuznou diploidn\u00ed ol\u0161\u00ed lepkavou (<em>A. glutinosa<\/em>) v oblastech vz\u00e1jemn\u00e9ho kontaktu. Metodicky v\u00fdzkum vyu\u017e\u00edv\u00e1 pr\u016ftokovou cytometrii i molekul\u00e1rn\u00ed markery (chloroplastovou DNA a anal\u00fdzu mikrosatelit\u016f) a v\u00fdsledn\u00e1 data jsou inetrpretov\u00e1na v \u0161ir\u0161\u00edm kontextu s vyu\u017eit\u00edm modelov\u00e1n\u00ed ekologick\u00fdch nik a ABC testov\u00e1n\u00ed evolu\u010dn\u00edch sc\u00e9n\u00e1\u0159\u016f.<\/p>\n<p><em><u>Anthoxanthum odoratum <\/u><\/em><u>(tomka vonn\u00e1)<\/u> tvo\u0159\u00ed komplex n\u011bkolika diploidn\u00edch taxon\u016f, vyskytuj\u00edc\u00edch se zejm\u00e9na v Mediter\u00e1nu, Makaron\u00e9sii a v hor\u00e1ch Eurasie, a polyploidn\u00edch taxon\u016f, kter\u00e9 jsou bu\u010f \u0161iroce roz\u0161\u00ed\u0159eny (nap\u0159. <em>A. odoratum<\/em> s. str.) nebo tvo\u0159\u00ed lok\u00e1ln\u00ed typy (nap\u0159. <em>A. amarum<\/em> z Pyrenejsk\u00e9ho poloostrova). Dosavadn\u00ed v\u00fdzkum uk\u00e1zal, \u017ee evropsk\u00e9 tomky (<em>Anthoxanthum<\/em> sect. <em>Anthoxanthum<\/em>) vznikly v Mediter\u00e1nu a prvn\u00ed speciace na diploidn\u00ed \u00farovni byla spojena s klimatick\u00fdmi zm\u011bnami, kter\u00e9 se v tomto regionu odehr\u00e1ly na za\u010d\u00e1tku Mioc\u00e9nu. Pozd\u011bj\u0161\u00ed diverzifikace nastala pravd\u011bpodobn\u011b v Pleistoc\u00e9nu a st\u00e1la u zrodu nov\u00fdch polyploidn\u00edch lini\u00ed, kter\u00e9 spoluvytv\u00e1\u0159ej\u00ed sou\u010dasnou podobu cel\u00e9ho rodu. Nicm\u00e9n\u011b je z\u0159ejm\u00e9, \u017ee speciace n\u011bkter\u00fdch diploidn\u00edch taxon\u016f je\u0161t\u011b nebyla dokon\u010dena a st\u00e1le prob\u00edhaj\u00edc\u00ed evolu\u010dn\u00ed procesy neumo\u017e\u0148uj\u00ed spr\u00e1vn\u011b interpretovat p\u016fvod polyploid\u016f.<\/p>\n<p><em><u>Bolboschoenus<\/u><\/em><u> \u2013 kam\u00fd\u0161n\u00edk<\/u><\/p>\n<p>V\u00fdzkum je zam\u011b\u0159en na mok\u0159adn\u00ed druhy rodu kam\u00fd\u0161n\u00edk (<em>Bolboschoenus<\/em>), kter\u00e9 jsou specifick\u00e9 t\u00edm, \u017ee se u nich opakuj\u00ed stejn\u00e9 morfologick\u00e9 zm\u011bny nap\u0159\u00ed\u010d kontinenty. Nicm\u00e9n\u011b konkr\u00e9tn\u00ed morfotypy jsou v Eurasii, Austr\u00e1lii a v Severn\u00ed Americe rozpozn\u00e1v\u00e1ny pod jin\u00fdmi jm\u00e9ny. Vz\u00e1jemn\u00e1 podobnost morfotyp\u016f m\u016f\u017ee b\u00fdt d\u016fsledkem paraleln\u00ed evoluce nebo migracemi nap\u0159\u00ed\u010d kontinenty, p\u0159\u00edpadn\u011b kombinac\u00ed obou jev\u016f. V evropsk\u00e9m kontextu se zd\u00e1, \u017ee mezidruhov\u00e1 diferenciace se mnohem v\u00edce odr\u00e1\u017e\u00ed v ekologick\u00fdch n\u00e1roc\u00edch ne\u017e v morfologii, a jednotliv\u00e9 druhy jsou vn\u00edm\u00e1ny sp\u00ed\u0161e jako extr\u00e9mn\u00ed varianty jednoho komplexu adaptovan\u00e9 na r\u016fzn\u00e1 prost\u0159ed\u00ed. Proto jsou ekologick\u00e9 n\u00e1roky druh\u016f pova\u017eov\u00e1ny za kl\u00ed\u010dov\u00fd faktor ur\u010duj\u00edc\u00ed roz\u0161\u00ed\u0159en\u00ed, frekvenci v\u00fdskytu a p\u0159\u00edpadn\u011b sympatrick\u00fd r\u016fst (tedy i potenci\u00e1l pro vz\u00e1jemn\u00e9 k\u0159\u00ed\u017een\u00ed) jednotliv\u00fdch taxon\u016f.<\/p>\n<p><em><u>Chenopodium album<\/u><\/em><u> agg. \u2013 komplex merl\u00edku b\u00edl\u00e9ho<\/u><\/p>\n<p>Evoluce mnoha druh\u016f, kter\u00e9 pat\u0159\u00ed do diploidn\u011b-polyploidn\u00edho komplexu merl\u00edku b\u00edl\u00e9ho (<em>C. album<\/em> agg.), v sob\u011b kombinuje hybridizaci a polyploidizaci. Dosud publikovan\u00e9 d\u00edl\u010d\u00ed studie tak \u010dasto poskytuj\u00ed protich\u016fdn\u00fd n\u00e1hled na evoluci cel\u00e9ho komplexu, co\u017e m\u016f\u017ee b\u00fdt d\u00e1no nezahrnut\u00edm v\u0161ech kl\u00ed\u010dov\u00fdch druh\u016f. Pr\u00e1v\u011b proto se n\u00e1\u0161 v\u00fdzkum op\u00edr\u00e1 o rozs\u00e1hlou kolekci druh\u016f z cel\u00e9 Eurasie i S. Ameriky a \u0159e\u0161\u00ed problematiku komplexu v co mo\u017en\u00e1 nej\u0161ir\u0161\u00edm kontextu. Na tomto rozs\u00e1hl\u00e9m materi\u00e1lu je aplikov\u00e1na \u0159ada metodick\u00fdch p\u0159\u00edstup\u016f zahrnuj\u00edc\u00edch karyologii, pr\u016ftokovou cytometrii, GISH a FISH anal\u00fdzy a sekvenaci chloroplastov\u00fdch i jadern\u00fdch \u00fasek\u016f. Na\u0161\u00edm c\u00edlem je stanovit ploidii a velikost genomu v\u0161ech zahrnut\u00fdch taxon\u016f, ur\u010dit jejich evolu\u010dn\u00ed vztahy a pokusit se zrekonstruovat zp\u016fsob vzniku polyploidn\u00edch druh\u016f.<\/p>\n<p><em><strong>Adaptivn\u00ed radiace<\/strong><\/em><\/p>\n<p><u>Evoluce nejrozmanit\u011bj\u0161\u00ed skupiny orchidej\u00ed \u2013 Pleurothallidinae<\/u><\/p>\n<p>Projekt si klade za c\u00edl odhalit roli dvou v\u00fdzna\u010dn\u00fdch specia\u010dn\u00edch proces\u016f \u2013 zm\u011bn na \u00farovni cel\u00e9ho genomu a ekologick\u00e9 speciace \u2013 u nejbohat\u0161\u00edho subtribu orchidej\u00ed, Pleurothallidinae. Pomoc\u00ed modern\u00edch metod (Hyb-Seq, cytogenomika, pr\u016ftokov\u00e1 cytometrie, modelov\u00e1n\u00ed nik) provedeme fylogenetickou rekonstrukci cel\u00e9 skupiny a na jej\u00edm z\u00e1klad\u011b budeme interpretovat zm\u011bny velikosti jadern\u00e9ho genomu, identifikovat frekvenci polyploidie a charakterizovat ekologick\u00e9 niky. Multidisciplin\u00e1rn\u00ed anal\u00fdza takto z\u00edskan\u00fdch dat n\u00e1m umo\u017en\u00ed l\u00e9pe porozum\u011bt evolu\u010dn\u00edm proces\u016fm generuj\u00edc\u00edm biologickou rozmanitost v nejv\u011bt\u0161\u00ed \u010deledi krytosemenn\u00fdch rostlin.<\/p>\n<p><u>Evoluce rodu <em>Oxalis<\/em> (\u0161\u0165avel)<\/u><\/p>\n<p>C\u00edlem v\u00fdzkumu je otestovat, zda v druhov\u00e9 diverzifikaci \u0161\u0165avel\u016f (<em>Oxalis<\/em>) hr\u00e1la n\u011bjakou roli, a pokud ano, tak jak v\u00fdznamnou, polyploidizace a hybridizace. Rod je toti\u017e zn\u00e1m velkou variabilitou ploidn\u00edch \u00farovn\u00ed. Geograficky je v\u00fdzkum zac\u00edlen na Kapskou kv\u011btennou oblast, kter\u00e1 vedle J. Ameriky tvo\u0159\u00ed jedno z center biodiverzity rodu. Metodicky se v\u00fdzkum op\u00edr\u00e1 o fylogenetick\u00fd (Hyb-Seq) a cytogenetick\u00fd (pr\u016ftokov\u00e1 cytometrie, karyologie, FISH) p\u0159\u00edstup, kter\u00fd umo\u017en\u00ed poodhalit v\u00fdznam polyploidizace a hybridizace jak na fylogenetick\u00e9, tak popula\u010dn\u00ed \u00farovni.<\/p>\n<p><strong><u>Dal\u0161\u00ed projekty a aktivity odd\u011blen\u00ed<\/u><\/strong><\/p>\n<p><a href=\"https:\/\/botany.natur.cuni.cz\/gsdb\/\"><u><span style=\"color: #800000\">Datab\u00e1ze velikosti genomu Kapsk\u00e9 kv\u011btenn\u00e9 oblasti<\/span><\/u><\/a><\/p>\n<p>Ambici\u00f3zn\u00edm c\u00edlem tohoto projektu je z\u00edskat a postupn\u011b publikovat \u00fadaje o velkosti a slo\u017een\u00ed (proporce AT\/GC) genomu u v\u011bt\u0161iny druh\u016f rostlin jednoho z celosv\u011btov\u00fdch center biodiverzity \u2013 Kapsk\u00e9 kv\u011btenn\u00e9 oblasti. Projekt je uskute\u010d\u0148ov\u00e1n v sou\u010dinnosti s jihoafrick\u00fdmi v\u011bdeck\u00fdmi institucemi (Univerzita ve Stellenboschi, N\u00e1rodn\u00ed botanick\u00e1 zahrada v Kirstenboschi) i s m\u00edstn\u00edmi floristick\u00fdmi nad\u0161enci. V sou\u010dasn\u00e9 dob\u011b m\u00e1me k dispozici \u00fadaje ca pro 10 % rozpozn\u00e1van\u00fdch druh\u016f, kter\u00e9 budou postupn\u011b publikov\u00e1ny.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hlavn\u00ed sm\u011bry v\u00fdzkumu Evoluce na genomov\u00e9 \u00farovni Cizorod\u00e9 \u010d\u00e1sti genomu u trav z tribu Triticeae Tr\u00e1vy ze skupinyTriticeae (\u010dele\u010f lipnicovit\u00e9 \u2013 Poaceae) jsou fascinuj\u00edc\u00ed uk\u00e1zkou toho, jak spletit\u00e1 m\u016f\u017ee evoluce b\u00fdt, nebo\u0165 se v n\u00ed uplat\u0148uj\u00ed takov\u00e9 jevy, jako je nap\u0159. vz\u00e1jemn\u00e1 hybridizace mezi p\u0159\u00edslu\u0161n\u00edky jin\u00fdch skupin (u \u017eivo\u010dich\u016f naprosto nemysliteln\u00e1 z\u00e1le\u017eitost) a \u010dast\u00e1 polyploidizace. [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-398","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.ibot.cas.cz\/oddeleni-evolucni-biologie-rostlin\/index.php?rest_route=\/wp\/v2\/pages\/398","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ibot.cas.cz\/oddeleni-evolucni-biologie-rostlin\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ibot.cas.cz\/oddeleni-evolucni-biologie-rostlin\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ibot.cas.cz\/oddeleni-evolucni-biologie-rostlin\/index.php?rest_route=\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ibot.cas.cz\/oddeleni-evolucni-biologie-rostlin\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=398"}],"version-history":[{"count":6,"href":"https:\/\/www.ibot.cas.cz\/oddeleni-evolucni-biologie-rostlin\/index.php?rest_route=\/wp\/v2\/pages\/398\/revisions"}],"predecessor-version":[{"id":414,"href":"https:\/\/www.ibot.cas.cz\/oddeleni-evolucni-biologie-rostlin\/index.php?rest_route=\/wp\/v2\/pages\/398\/revisions\/414"}],"wp:attachment":[{"href":"https:\/\/www.ibot.cas.cz\/oddeleni-evolucni-biologie-rostlin\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=398"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}