178,637 research outputs found
Setodes truncatus Houghton 2021, new species
No full textSetodes truncatus Houghton, new species Figs 3A–3D The male of S. truncatus n. sp. appears most similar to that of S. incertus within the S. incertus species group (Schmid 1987). It is easily separable from that species by having short and truncate inferior appendages in lateral view, long and parallel processes of segment X in dorsal view, and in its pronounced, bare, acute, mesal projection being distinct at mid-length on each inferior appendage. Male. General appearance typical of genus. Length of each forewing 6.0– 6.3 mm (n = 4) and with venation typical of genus. In ethanol, body uniformly straw-colored with brown sutures between most thoracic sclerites. Legs pale straw-colored. Wings uniformly straw-colored with sparse dark brown setae. Head with pronounced epicranial stem and dorsal triangle. Abdomen pale with dark brown terminal segments. Male genitalia as in Fig. 3. Segment VIII pale in color. Segment IX darkly sclerotized, broad and longitudinally long ventrally, longitudinally short and forming narrow V-shaped transverse bridge dorsally and fused with segment X. Pair of slender preanal appendages covered with short appressed setae, together lyrate in dorsal view. Segment X divided at ~1/3 length into pair of slender processes, extending beyond tips of preanal appendages; separated and approximately parallel for most of their length in dorsal view. Inferior appendages approximately as long as preanal appendages; not extending beyond tips of segment X processes, abruptly truncate and quadrate at apices in lateral view, and covered with long setae; each with bare, acute, mesal projection distinct at mid-length in lateral and, especially, in caudal views. Phallic apparatus reduced, consisting of endothecal membranes basally supporting pair of elongate parameres curving slightly ventrad and tubular phallicata approximating shape of duck’s head in lateral view, with small, longitudinal, dorsomesal flange at mid-length. Female and larva. Unknown. Like the male, the larva and female of S. truncatus will probably be similar to those of S. incertus. Holotype male. Michigan: Marquette County: Pine River at Entrance Road, Huron Mountain Club, 46.8828, -87.8687, 184 m, 25 June 2019, DC Houghton, uv light, HCIC2100358. Deposited in the UMMZ (Catalog #UM- MZI-159435). Paratypes: Same data as holotype except 28 June 2015, 1 ♂, HCIC2100175 (HCIC). Michigan: Marquette County: Salmon Trout River, Middle Falls, Huron Mountain Club, 46.8100, -87.8245, 225 m, 26 June 2019, DC Houghton, uv light, 2 ♂, HCIC2100359 (HCIC). Etymology. Named for the truncate appearance of the inferior appendages.Published as part of Houghton, David C., 2021, A new species of Setodes Rambur (Trichoptera: Leptoceridae) from northern Michigan, USA, pp. 293-300 in Zootaxa 4965 (2) on page 297, DOI: 10.11646/zootaxa.4965.2.4, http://zenodo.org/record/475139
Houghton, C, NX21189
No full textThis record was harvested from a previous catalogue system and will be withdrawn in 2025. Information in this record may be superseded or incomplete. Visit this record in UMA's new catalogue at: https://archives.library.unimelb.edu.au/nodes/view/393435Surname: HOUGHTON. Given Name(s) or Initials: C. Military Service Number or Last Known Location: NX21189. Missing, Wounded and Prisoner of War Enquiry Card Index Number: 1927.214259
Item: [2016.0049.25728] "Houghton, C, NX21189
Houghton, F. C.
No full textCarte de Visite of F. C. Houghton, 17th Maine Infantry; From the Janet & Bedford Hayes Collectionhttps://digitalmaine.com/arc_civilwarportraits/3200/thumbnail.jp
Houghton, F. C.
No full textCarte de Visite of F. C. Houghton, 17th Maine Infantry; From the Janet & Bedford Hayes Collectionhttps://digitalmaine.com/arc_civilwarportraits/3200/thumbnail.jp
Effect of oxygen tension on the amino acid utilisation of human embryonic stem cells
No full textBackground/aims: human embryonic stem cells (hESCs) are a potential source of cells for treatment of many degenerative diseases, but in culture have a propensity to spontaneously differentiate, possibly due to suboptimal conditions. Culture at low oxygen tensions improves hESC maintenance and regulates carbohydrate metabolism. Hence, a greater understanding of the nutrient requirements of hESCs will allow production of more appropriate culture media. This study aims to investigate the effect of environmental oxygen tension on the amino acid metabolism of hESCs. Methods: the production or depletion of amino acids by hESCs cultured at 5% or 20% oxygen in the presence or absence of FGF2 was measured by reversephase HPLC. Results: atmospheric oxygen, or removal of FGF2 from hESCs cultured at 5% oxygen, perturbed the uptake or release of individual amino acids and the total amino acid turnover compared to hESCs cultured at 5% oxygen. In particular, serine uptake was reduced at 20% oxygen and by removal of FGF2. Conclusions: highly pluripotent hESCs, cultured at 5% oxygen, demonstrate a greater amino acid turnover than hESCs cultured at 20% oxygen, or without FGF2. These data suggest that amino acid turnover could be used as a measure of the self-renewal capacity of hESC
FIGURE 2. Collecting localities for S. truncatus n in A new species of Setodes Rambur (Trichoptera: Leptoceridae) from northern Michigan, USA
No full textFIGURE 2. Collecting localities for S. truncatus n. sp. 2A, the Pine River; 2B, the Salmon Trout River. Photographs by the author, August 2019.Published as part of Houghton, David C., 2021, A new species of Setodes Rambur (Trichoptera: Leptoceridae) from northern Michigan, USA, pp. 293-300 in Zootaxa 4965 (2) on page 295, DOI: 10.11646/zootaxa.4965.2.4, http://zenodo.org/record/475139
Armstrong, C. I. of Houghton, New York
No full textC. I. Armstrong of Houghton, New York. Copyright: Maxheim Photographer, 544 36th Street, Des Moines, Iowa.https://place.asburyseminary.edu/holinessphotos/1395/thumbnail.jp
Armstrong, C. I. of Houghton, New York
No full textC. I. Armstrong of Houghton, New York. Copyright: Maxheim Photographer, 544 36th Street, Des Moines, Iowa.https://place.asburyseminary.edu/holinessphotos/1394/thumbnail.jp
Aedes Walpolianae, or, A description of the collection of pictures at Houghton-Hall in Norfolk, the seat of the Right Honourable Sir Robert Walpole, Earl of Orford.
No full textSignatures: A-S⁴. Last p. blank.Ports. of Sir Robert and Lady Catherine Walpole, 2 folded elevations and 2 folded plans of Houghton. Ports. and elevations engraved by George Vertue, the ports. after Christian Frederick Zincke.Includes 'A description of the pictures at Houghton-Hall,' p. [37]-96; 'A sermon on painting' by Horace Walpole, p. 99-114; 'A journey to Houghton,' a poem by Nathaniel Whaley, p. [117]-143.Previously published 1748 and 1752. See ESTC.Printed by John Hughs. See ESTC.ESTCMode of access: Internet.Binding, c. 2: 19th-century grained bookcloth, half goatskin. Title and date in gilt on spine. The edges roughly trimmed. Ulrich Middeldorf's printed label. Inscription on 3rd front free endpaper in red ink: Sold in the Huntley Collection ... £4-4-0.Binding, 1: calfskin, rebacked. Edges gilt rolled. Inscription in black ink on 2nd front free endpaper concerning overall cost of Walpole's paintings. Prices of most individual paintings inscribed in red ink in margins of section entitled 'A description of the pictures at Houghton-Hall.' Note in black ink, p. 96, that the paintings were sold to the Empress of Russia in 1779 and were valued by Mesrs. West [lined out] & Cipriani
- …
